55146860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 118540800

約数和(自身を除く): 63393940

約数列:

[1, 2, 4, 5, 10, 20, 83, 139, 166, 239, 278, 332, 415, 478, 556, 695, 830, 956, 1195, 1390, 1660, 2390, 2780, 4780, 11537, 19837, 23074, 33221, 39674, 46148, 57685, 66442, 79348, 99185, 115370, 132884, 166105, 198370, 230740, 332210, 396740, 664420, 2757343, 5514686, 11029372, 13786715, 27573430, 55146860]

約数ペア:

[(1, 55146860), (2, 27573430), (4, 13786715), (5, 11029372), (10, 5514686), (20, 2757343), (83, 664420), (139, 396740), (166, 332210), (239, 230740), (278, 198370), (332, 166105), (415, 132884), (478, 115370), (556, 99185), (695, 79348), (830, 66442), (956, 57685), (1195, 46148), (1390, 39674), (1660, 33221), (2390, 23074), (2780, 19837), (4780, 11537)]