40998440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{146423}}^1$

素因数の和:146441

約数の個数: 32

約数和(自身を含む): 105425280

約数和(自身を除く): 64426840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 146423, 292846, 585692, 732115, 1024961, 1171384, 1464230, 2049922, 2928460, 4099844, 5124805, 5856920, 8199688, 10249610, 20499220, 40998440]

約数ペア:

[(1, 40998440), (2, 20499220), (4, 10249610), (5, 8199688), (7, 5856920), (8, 5124805), (10, 4099844), (14, 2928460), (20, 2049922), (28, 1464230), (35, 1171384), (40, 1024961), (56, 732115), (70, 585692), (140, 292846), (280, 146423)]