61776040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11273}}^1$

素因数の和:11421

約数の個数: 32

約数和(自身を含む): 140023080

約数和(自身を除く): 78247040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 11273, 22546, 45092, 56365, 90184, 112730, 225460, 450920, 1544401, 3088802, 6177604, 7722005, 12355208, 15444010, 30888020, 61776040]

約数ペア:

[(1, 61776040), (2, 30888020), (4, 15444010), (5, 12355208), (8, 7722005), (10, 6177604), (20, 3088802), (40, 1544401), (137, 450920), (274, 225460), (548, 112730), (685, 90184), (1096, 56365), (1370, 45092), (2740, 22546), (5480, 11273)]