40872590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 48

約数和(自身を含む): 85666896

約数和(自身を除く): 44794306

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 935, 1210, 1870, 1987, 2057, 3974, 4114, 9935, 10285, 19870, 20570, 21857, 33779, 43714, 67558, 109285, 168895, 218570, 240427, 337790, 371569, 480854, 743138, 1202135, 1857845, 2404270, 3715690, 4087259, 8174518, 20436295, 40872590]

約数ペア:

[(1, 40872590), (2, 20436295), (5, 8174518), (10, 4087259), (11, 3715690), (17, 2404270), (22, 1857845), (34, 1202135), (55, 743138), (85, 480854), (110, 371569), (121, 337790), (170, 240427), (187, 218570), (242, 168895), (374, 109285), (605, 67558), (935, 43714), (1210, 33779), (1870, 21857), (1987, 20570), (2057, 19870), (3974, 10285), (4114, 9935)]