18370051375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{1103}}^1$

素因数の和:1445

約数の個数: 64

約数和(自身を含む): 25471240704

約数和(自身を除く): 7101189329

約数列:

[1, 5, 13, 25, 37, 65, 125, 185, 277, 325, 481, 925, 1103, 1385, 1625, 2405, 3601, 4625, 5515, 6925, 10249, 12025, 14339, 18005, 27575, 34625, 40811, 51245, 60125, 71695, 90025, 133237, 137875, 204055, 256225, 305531, 358475, 450125, 530543, 666185, 1020275, 1281125, 1527655, 1792375, 2652715, 3330925, 3971903, 5101375, 7638275, 11304647, 13263575, 16654625, 19859515, 38191375, 56523235, 66317875, 99297575, 146960411, 282616175, 496487875, 734802055, 1413080875, 3674010275, 18370051375]

約数ペア:

[(1, 18370051375), (5, 3674010275), (13, 1413080875), (25, 734802055), (37, 496487875), (65, 282616175), (125, 146960411), (185, 99297575), (277, 66317875), (325, 56523235), (481, 38191375), (925, 19859515), (1103, 16654625), (1385, 13263575), (1625, 11304647), (2405, 7638275), (3601, 5101375), (4625, 3971903), (5515, 3330925), (6925, 2652715), (10249, 1792375), (12025, 1527655), (14339, 1281125), (18005, 1020275), (27575, 666185), (34625, 530543), (40811, 450125), (51245, 358475), (60125, 305531), (71695, 256225), (90025, 204055), (133237, 137875)]