39928180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 87333120

約数和(自身を除く): 47404940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 683, 740, 790, 1366, 1580, 2732, 2923, 3415, 5846, 6830, 11692, 13660, 14615, 25271, 29230, 50542, 53957, 58460, 101084, 107914, 126355, 215828, 252710, 269785, 505420, 539570, 1079140, 1996409, 3992818, 7985636, 9982045, 19964090, 39928180]

約数ペア:

[(1, 39928180), (2, 19964090), (4, 9982045), (5, 7985636), (10, 3992818), (20, 1996409), (37, 1079140), (74, 539570), (79, 505420), (148, 269785), (158, 252710), (185, 215828), (316, 126355), (370, 107914), (395, 101084), (683, 58460), (740, 53957), (790, 50542), (1366, 29230), (1580, 25271), (2732, 14615), (2923, 13660), (3415, 11692), (5846, 6830)]