25356760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 70096320

約数和(自身を除く): 44739560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 121, 124, 130, 143, 155, 169, 220, 242, 248, 260, 286, 310, 338, 341, 403, 440, 484, 520, 572, 605, 620, 676, 682, 715, 806, 845, 968, 1144, 1210, 1240, 1352, 1364, 1430, 1573, 1612, 1690, 1705, 1859, 2015, 2420, 2728, 2860, 3146, 3224, 3380, 3410, 3718, 3751, 4030, 4433, 4840, 5239, 5720, 6292, 6760, 6820, 7436, 7502, 7865, 8060, 8866, 9295, 10478, 12584, 13640, 14872, 15004, 15730, 16120, 17732, 18590, 18755, 20449, 20956, 22165, 26195, 30008, 31460, 35464, 37180, 37510, 40898, 41912, 44330, 48763, 52390, 57629, 62920, 74360, 75020, 81796, 88660, 97526, 102245, 104780, 115258, 150040, 163592, 177320, 195052, 204490, 209560, 230516, 243815, 288145, 390104, 408980, 461032, 487630, 576290, 633919, 817960, 975260, 1152580, 1267838, 1950520, 2305160, 2535676, 3169595, 5071352, 6339190, 12678380, 25356760]

約数ペア:

[(1, 25356760), (2, 12678380), (4, 6339190), (5, 5071352), (8, 3169595), (10, 2535676), (11, 2305160), (13, 1950520), (20, 1267838), (22, 1152580), (26, 975260), (31, 817960), (40, 633919), (44, 576290), (52, 487630), (55, 461032), (62, 408980), (65, 390104), (88, 288145), (104, 243815), (110, 230516), (121, 209560), (124, 204490), (130, 195052), (143, 177320), (155, 163592), (169, 150040), (220, 115258), (242, 104780), (248, 102245), (260, 97526), (286, 88660), (310, 81796), (338, 75020), (341, 74360), (403, 62920), (440, 57629), (484, 52390), (520, 48763), (572, 44330), (605, 41912), (620, 40898), (676, 37510), (682, 37180), (715, 35464), (806, 31460), (845, 30008), (968, 26195), (1144, 22165), (1210, 20956), (1240, 20449), (1352, 18755), (1364, 18590), (1430, 17732), (1573, 16120), (1612, 15730), (1690, 15004), (1705, 14872), (1859, 13640), (2015, 12584), (2420, 10478), (2728, 9295), (2860, 8866), (3146, 8060), (3224, 7865), (3380, 7502), (3410, 7436), (3718, 6820), (3751, 6760), (4030, 6292), (4433, 5720), (4840, 5239)]