2173427720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1\times {\mathrm{937}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 4951739520

約数和(自身を除く): 2778311800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 563, 824, 937, 1030, 1126, 1874, 2060, 2252, 2815, 3748, 4120, 4504, 4685, 5630, 7496, 9370, 11260, 18740, 22520, 37480, 57989, 96511, 115978, 193022, 231956, 289945, 386044, 463912, 482555, 527531, 579890, 772088, 965110, 1055062, 1159780, 1930220, 2110124, 2319560, 2637655, 3860440, 4220248, 5275310, 10550620, 21101240, 54335693, 108671386, 217342772, 271678465, 434685544, 543356930, 1086713860, 2173427720]

約数ペア:

[(1, 2173427720), (2, 1086713860), (4, 543356930), (5, 434685544), (8, 271678465), (10, 217342772), (20, 108671386), (40, 54335693), (103, 21101240), (206, 10550620), (412, 5275310), (515, 4220248), (563, 3860440), (824, 2637655), (937, 2319560), (1030, 2110124), (1126, 1930220), (1874, 1159780), (2060, 1055062), (2252, 965110), (2815, 772088), (3748, 579890), (4120, 527531), (4504, 482555), (4685, 463912), (5630, 386044), (7496, 289945), (9370, 231956), (11260, 193022), (18740, 115978), (22520, 96511), (37480, 57989)]