65178100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 153710648

約数和(自身を除く): 88532548

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 181, 260, 277, 325, 362, 554, 650, 724, 905, 1108, 1300, 1385, 1810, 2353, 2770, 3601, 3620, 4525, 4706, 5540, 6925, 7202, 9050, 9412, 11765, 13850, 14404, 18005, 18100, 23530, 27700, 36010, 47060, 50137, 58825, 72020, 90025, 100274, 117650, 180050, 200548, 235300, 250685, 360100, 501370, 651781, 1002740, 1253425, 1303562, 2506850, 2607124, 3258905, 5013700, 6517810, 13035620, 16294525, 32589050, 65178100]

約数ペア:

[(1, 65178100), (2, 32589050), (4, 16294525), (5, 13035620), (10, 6517810), (13, 5013700), (20, 3258905), (25, 2607124), (26, 2506850), (50, 1303562), (52, 1253425), (65, 1002740), (100, 651781), (130, 501370), (181, 360100), (260, 250685), (277, 235300), (325, 200548), (362, 180050), (554, 117650), (650, 100274), (724, 90025), (905, 72020), (1108, 58825), (1300, 50137), (1385, 47060), (1810, 36010), (2353, 27700), (2770, 23530), (3601, 18100), (3620, 18005), (4525, 14404), (4706, 13850), (5540, 11765), (6925, 9412), (7202, 9050)]