26120799640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{10321}}^1$

素因数の和:10533

約数の個数: 128

約数和(自身を含む): 65756920320

約数和(自身を除く): 39636120680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 157, 248, 260, 310, 314, 403, 520, 620, 628, 785, 806, 1240, 1256, 1570, 1612, 2015, 2041, 3140, 3224, 4030, 4082, 4867, 6280, 8060, 8164, 9734, 10205, 10321, 16120, 16328, 19468, 20410, 20642, 24335, 38936, 40820, 41284, 48670, 51605, 63271, 81640, 82568, 97340, 103210, 126542, 134173, 194680, 206420, 253084, 268346, 316355, 319951, 412840, 506168, 536692, 632710, 639902, 670865, 1073384, 1265420, 1279804, 1341730, 1599755, 1620397, 2530840, 2559608, 2683460, 3199510, 3240794, 4159363, 5366920, 6399020, 6481588, 8101985, 8318726, 12798040, 12963176, 16203970, 16637452, 20796815, 21065161, 32407940, 33274904, 41593630, 42130322, 50232307, 64815880, 83187260, 84260644, 100464614, 105325805, 166374520, 168521288, 200929228, 210651610, 251161535, 401858456, 421303220, 502323070, 653019991, 842606440, 1004646140, 1306039982, 2009292280, 2612079964, 3265099955, 5224159928, 6530199910, 13060399820, 26120799640]

約数ペア:

[(1, 26120799640), (2, 13060399820), (4, 6530199910), (5, 5224159928), (8, 3265099955), (10, 2612079964), (13, 2009292280), (20, 1306039982), (26, 1004646140), (31, 842606440), (40, 653019991), (52, 502323070), (62, 421303220), (65, 401858456), (104, 251161535), (124, 210651610), (130, 200929228), (155, 168521288), (157, 166374520), (248, 105325805), (260, 100464614), (310, 84260644), (314, 83187260), (403, 64815880), (520, 50232307), (620, 42130322), (628, 41593630), (785, 33274904), (806, 32407940), (1240, 21065161), (1256, 20796815), (1570, 16637452), (1612, 16203970), (2015, 12963176), (2041, 12798040), (3140, 8318726), (3224, 8101985), (4030, 6481588), (4082, 6399020), (4867, 5366920), (6280, 4159363), (8060, 3240794), (8164, 3199510), (9734, 2683460), (10205, 2559608), (10321, 2530840), (16120, 1620397), (16328, 1599755), (19468, 1341730), (20410, 1279804), (20642, 1265420), (24335, 1073384), (38936, 670865), (40820, 639902), (41284, 632710), (48670, 536692), (51605, 506168), (63271, 412840), (81640, 319951), (82568, 316355), (97340, 268346), (103210, 253084), (126542, 206420), (134173, 194680)]