125625020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{202621}}^1$

素因数の和:202661

約数の個数: 24

約数和(自身を含む): 272323968

約数和(自身を除く): 146698948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 202621, 405242, 810484, 1013105, 2026210, 4052420, 6281251, 12562502, 25125004, 31406255, 62812510, 125625020]

約数ペア:

[(1, 125625020), (2, 62812510), (4, 31406255), (5, 25125004), (10, 12562502), (20, 6281251), (31, 4052420), (62, 2026210), (124, 1013105), (155, 810484), (310, 405242), (620, 202621)]