40216990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2243}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 79491456

約数和(自身を除く): 39274466

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1630, 1793, 2243, 3586, 4486, 8965, 11215, 17930, 22430, 24673, 49346, 123365, 246730, 365609, 731218, 1828045, 3656090, 4021699, 8043398, 20108495, 40216990]

約数ペア:

[(1, 40216990), (2, 20108495), (5, 8043398), (10, 4021699), (11, 3656090), (22, 1828045), (55, 731218), (110, 365609), (163, 246730), (326, 123365), (815, 49346), (1630, 24673), (1793, 22430), (2243, 17930), (3586, 11215), (4486, 8965)]