11420320

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 27229608

約数和(自身を除く): 15809288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 521, 548, 685, 1042, 1096, 1370, 2084, 2192, 2605, 2740, 4168, 4384, 5210, 5480, 8336, 10420, 10960, 16672, 20840, 21920, 41680, 71377, 83360, 142754, 285508, 356885, 571016, 713770, 1142032, 1427540, 2284064, 2855080, 5710160, 11420320]

約数ペア:

[(1, 11420320), (2, 5710160), (4, 2855080), (5, 2284064), (8, 1427540), (10, 1142032), (16, 713770), (20, 571016), (32, 356885), (40, 285508), (80, 142754), (137, 83360), (160, 71377), (274, 41680), (521, 21920), (548, 20840), (685, 16672), (1042, 10960), (1096, 10420), (1370, 8336), (2084, 5480), (2192, 5210), (2605, 4384), (2740, 4168)]