29128840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 73785600

約数和(自身を除く): 44656760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 139, 155, 169, 248, 260, 278, 310, 338, 403, 520, 556, 620, 676, 695, 806, 845, 1112, 1240, 1352, 1390, 1612, 1690, 1807, 2015, 2780, 3224, 3380, 3614, 4030, 4309, 5239, 5560, 6760, 7228, 8060, 8618, 9035, 10478, 14456, 16120, 17236, 18070, 20956, 21545, 23491, 26195, 34472, 36140, 41912, 43090, 46982, 52390, 56017, 72280, 86180, 93964, 104780, 112034, 117455, 172360, 187928, 209560, 224068, 234910, 280085, 448136, 469820, 560170, 728221, 939640, 1120340, 1456442, 2240680, 2912884, 3641105, 5825768, 7282210, 14564420, 29128840]

約数ペア:

[(1, 29128840), (2, 14564420), (4, 7282210), (5, 5825768), (8, 3641105), (10, 2912884), (13, 2240680), (20, 1456442), (26, 1120340), (31, 939640), (40, 728221), (52, 560170), (62, 469820), (65, 448136), (104, 280085), (124, 234910), (130, 224068), (139, 209560), (155, 187928), (169, 172360), (248, 117455), (260, 112034), (278, 104780), (310, 93964), (338, 86180), (403, 72280), (520, 56017), (556, 52390), (620, 46982), (676, 43090), (695, 41912), (806, 36140), (845, 34472), (1112, 26195), (1240, 23491), (1352, 21545), (1390, 20956), (1612, 18070), (1690, 17236), (1807, 16120), (2015, 14456), (2780, 10478), (3224, 9035), (3380, 8618), (3614, 8060), (4030, 7228), (4309, 6760), (5239, 5560)]