4043020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6521}}^1$

素因数の和:6561

約数の個数: 24

約数和(自身を含む): 8765568

約数和(自身を除く): 4722548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6521, 13042, 26084, 32605, 65210, 130420, 202151, 404302, 808604, 1010755, 2021510, 4043020]

約数ペア:

[(1, 4043020), (2, 2021510), (4, 1010755), (5, 808604), (10, 404302), (20, 202151), (31, 130420), (62, 65210), (124, 32605), (155, 26084), (310, 13042), (620, 6521)]