53947960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122609}}^1$

素因数の和:122631

約数の個数: 32

約数和(自身を含む): 132418800

約数和(自身を除く): 78470840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 122609, 245218, 490436, 613045, 980872, 1226090, 1348699, 2452180, 2697398, 4904360, 5394796, 6743495, 10789592, 13486990, 26973980, 53947960]

約数ペア:

[(1, 53947960), (2, 26973980), (4, 13486990), (5, 10789592), (8, 6743495), (10, 5394796), (11, 4904360), (20, 2697398), (22, 2452180), (40, 1348699), (44, 1226090), (55, 980872), (88, 613045), (110, 490436), (220, 245218), (440, 122609)]