12875457400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{4967}}^1$

素因数の和:5993

約数の個数: 96

約数和(自身を含む): 32276996640

約数和(自身を除く): 19401539240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 997, 1300, 1994, 2600, 3988, 4967, 4985, 7976, 9934, 9970, 12961, 19868, 19940, 24835, 24925, 25922, 39736, 39880, 49670, 49850, 51844, 64571, 64805, 99340, 99700, 103688, 124175, 129142, 129610, 198680, 199400, 248350, 258284, 259220, 322855, 324025, 496700, 516568, 518440, 645710, 648050, 993400, 1291420, 1296100, 1614275, 2582840, 2592200, 3228550, 4952099, 6457100, 9904198, 12914200, 19808396, 24760495, 39616792, 49520990, 64377287, 99041980, 123802475, 128754574, 198083960, 247604950, 257509148, 321886435, 495209900, 515018296, 643772870, 990419800, 1287545740, 1609432175, 2575091480, 3218864350, 6437728700, 12875457400]

約数ペア:

[(1, 12875457400), (2, 6437728700), (4, 3218864350), (5, 2575091480), (8, 1609432175), (10, 1287545740), (13, 990419800), (20, 643772870), (25, 515018296), (26, 495209900), (40, 321886435), (50, 257509148), (52, 247604950), (65, 198083960), (100, 128754574), (104, 123802475), (130, 99041980), (200, 64377287), (260, 49520990), (325, 39616792), (520, 24760495), (650, 19808396), (997, 12914200), (1300, 9904198), (1994, 6457100), (2600, 4952099), (3988, 3228550), (4967, 2592200), (4985, 2582840), (7976, 1614275), (9934, 1296100), (9970, 1291420), (12961, 993400), (19868, 648050), (19940, 645710), (24835, 518440), (24925, 516568), (25922, 496700), (39736, 324025), (39880, 322855), (49670, 259220), (49850, 258284), (51844, 248350), (64571, 199400), (64805, 198680), (99340, 129610), (99700, 129142), (103688, 124175)]