40998620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 93477888

約数和(自身を除く): 52479268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1151, 1370, 1781, 2302, 2740, 3562, 4604, 5755, 7124, 8905, 11510, 14963, 17810, 23020, 29926, 35620, 59852, 74815, 149630, 157687, 299260, 315374, 630748, 788435, 1576870, 2049931, 3153740, 4099862, 8199724, 10249655, 20499310, 40998620]

約数ペア:

[(1, 40998620), (2, 20499310), (4, 10249655), (5, 8199724), (10, 4099862), (13, 3153740), (20, 2049931), (26, 1576870), (52, 788435), (65, 630748), (130, 315374), (137, 299260), (260, 157687), (274, 149630), (548, 74815), (685, 59852), (1151, 35620), (1370, 29926), (1781, 23020), (2302, 17810), (2740, 14963), (3562, 11510), (4604, 8905), (5755, 7124)]