78386260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 170367120

約数和(自身を除く): 91980860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 877, 1090, 1754, 2180, 3508, 4385, 4469, 8770, 8938, 17540, 17876, 22345, 35957, 44690, 71914, 89380, 95593, 143828, 179785, 191186, 359570, 382372, 477965, 719140, 955930, 1911860, 3919313, 7838626, 15677252, 19596565, 39193130, 78386260]

約数ペア:

[(1, 78386260), (2, 39193130), (4, 19596565), (5, 15677252), (10, 7838626), (20, 3919313), (41, 1911860), (82, 955930), (109, 719140), (164, 477965), (205, 382372), (218, 359570), (410, 191186), (436, 179785), (545, 143828), (820, 95593), (877, 89380), (1090, 71914), (1754, 44690), (2180, 35957), (3508, 22345), (4385, 17876), (4469, 17540), (8770, 8938)]