63880360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11657}}^1$

素因数の和:11805

約数の個数: 32

約数和(自身を含む): 144792360

約数和(自身を除く): 80912000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 11657, 23314, 46628, 58285, 93256, 116570, 233140, 466280, 1597009, 3194018, 6388036, 7985045, 12776072, 15970090, 31940180, 63880360]

約数ペア:

[(1, 63880360), (2, 31940180), (4, 15970090), (5, 12776072), (8, 7985045), (10, 6388036), (20, 3194018), (40, 1597009), (137, 466280), (274, 233140), (548, 116570), (685, 93256), (1096, 58285), (1370, 46628), (2740, 23314), (5480, 11657)]