18388614725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{8629}}^1$

素因数の和:8814

約数の個数: 48

約数和(自身を含む): 25169222400

約数和(自身を除く): 6780607675

約数列:

[1, 5, 13, 25, 65, 79, 83, 325, 395, 415, 1027, 1079, 1975, 2075, 5135, 5395, 6557, 8629, 25675, 26975, 32785, 43145, 85241, 112177, 163925, 215725, 426205, 560885, 681691, 716207, 2131025, 2804425, 3408455, 3581035, 8861983, 9310691, 17042275, 17905175, 44309915, 46553455, 56580353, 221549575, 232767275, 282901765, 735544589, 1414508825, 3677722945, 18388614725]

約数ペア:

[(1, 18388614725), (5, 3677722945), (13, 1414508825), (25, 735544589), (65, 282901765), (79, 232767275), (83, 221549575), (325, 56580353), (395, 46553455), (415, 44309915), (1027, 17905175), (1079, 17042275), (1975, 9310691), (2075, 8861983), (5135, 3581035), (5395, 3408455), (6557, 2804425), (8629, 2131025), (25675, 716207), (26975, 681691), (32785, 560885), (43145, 426205), (85241, 215725), (112177, 163925)]