20499352450

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{709}}^1\times {\mathrm{6967}}^1$

素因数の和:7771

約数の個数: 48

約数和(自身を含む): 38648151360

約数和(自身を除く): 18148798910

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 709, 830, 1418, 2075, 3545, 4150, 6967, 7090, 13934, 17725, 34835, 35450, 58847, 69670, 117694, 174175, 294235, 348350, 578261, 588470, 1156522, 1471175, 2891305, 2942350, 4939603, 5782610, 9879206, 14456525, 24698015, 28913050, 49396030, 123490075, 246980150, 409987049, 819974098, 2049935245, 4099870490, 10249676225, 20499352450]

約数ペア:

[(1, 20499352450), (2, 10249676225), (5, 4099870490), (10, 2049935245), (25, 819974098), (50, 409987049), (83, 246980150), (166, 123490075), (415, 49396030), (709, 28913050), (830, 24698015), (1418, 14456525), (2075, 9879206), (3545, 5782610), (4150, 4939603), (6967, 2942350), (7090, 2891305), (13934, 1471175), (17725, 1156522), (34835, 588470), (35450, 578261), (58847, 348350), (69670, 294235), (117694, 174175)]