40277020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 99915984

約数和(自身を除く): 59638964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 563, 730, 980, 1022, 1126, 1460, 2044, 2252, 2555, 2815, 3577, 3941, 5110, 5630, 7154, 7882, 10220, 11260, 14308, 15764, 17885, 19705, 27587, 35770, 39410, 41099, 55174, 71540, 78820, 82198, 110348, 137935, 164396, 205495, 275870, 287693, 410990, 551740, 575386, 821980, 1150772, 1438465, 2013851, 2876930, 4027702, 5753860, 8055404, 10069255, 20138510, 40277020]

約数ペア:

[(1, 40277020), (2, 20138510), (4, 10069255), (5, 8055404), (7, 5753860), (10, 4027702), (14, 2876930), (20, 2013851), (28, 1438465), (35, 1150772), (49, 821980), (70, 575386), (73, 551740), (98, 410990), (140, 287693), (146, 275870), (196, 205495), (245, 164396), (292, 137935), (365, 110348), (490, 82198), (511, 78820), (563, 71540), (730, 55174), (980, 41099), (1022, 39410), (1126, 35770), (1460, 27587), (2044, 19705), (2252, 17885), (2555, 15764), (2815, 14308), (3577, 11260), (3941, 10220), (5110, 7882), (5630, 7154)]