40726240

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 96631920

約数和(自身を除く): 55905680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 769, 1324, 1538, 1655, 2648, 3076, 3310, 3845, 5296, 6152, 6620, 7690, 10592, 12304, 13240, 15380, 24608, 26480, 30760, 52960, 61520, 123040, 254539, 509078, 1018156, 1272695, 2036312, 2545390, 4072624, 5090780, 8145248, 10181560, 20363120, 40726240]

約数ペア:

[(1, 40726240), (2, 20363120), (4, 10181560), (5, 8145248), (8, 5090780), (10, 4072624), (16, 2545390), (20, 2036312), (32, 1272695), (40, 1018156), (80, 509078), (160, 254539), (331, 123040), (662, 61520), (769, 52960), (1324, 30760), (1538, 26480), (1655, 24608), (2648, 15380), (3076, 13240), (3310, 12304), (3845, 10592), (5296, 7690), (6152, 6620)]