40124890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3907}}^1$

素因数の和:4006

約数の個数: 32

約数和(自身を含む): 78785280

約数和(自身を除く): 38660390

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 3907, 5135, 7814, 10270, 19535, 39070, 50791, 101582, 253955, 308653, 507910, 617306, 1543265, 3086530, 4012489, 8024978, 20062445, 40124890]

約数ペア:

[(1, 40124890), (2, 20062445), (5, 8024978), (10, 4012489), (13, 3086530), (26, 1543265), (65, 617306), (79, 507910), (130, 308653), (158, 253955), (395, 101582), (790, 50791), (1027, 39070), (2054, 19535), (3907, 10270), (5135, 7814)]