54855160

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2081}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 123670800

約数和(自身を除く): 68815640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2081, 2636, 3295, 4162, 5272, 6590, 8324, 10405, 13180, 16648, 20810, 26360, 41620, 83240, 1371379, 2742758, 5485516, 6856895, 10971032, 13713790, 27427580, 54855160]

約数ペア:

[(1, 54855160), (2, 27427580), (4, 13713790), (5, 10971032), (8, 6856895), (10, 5485516), (20, 2742758), (40, 1371379), (659, 83240), (1318, 41620), (2081, 26360), (2636, 20810), (3295, 16648), (4162, 13180), (5272, 10405), (6590, 8324)]