51840820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{8969}}^1$

素因数の和:9012

約数の個数: 36

約数和(自身を含む): 115659180

約数和(自身を除く): 63818360

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 8969, 17938, 35876, 44845, 89690, 152473, 179380, 304946, 609892, 762365, 1524730, 2592041, 3049460, 5184082, 10368164, 12960205, 25920410, 51840820]

約数ペア:

[(1, 51840820), (2, 25920410), (4, 12960205), (5, 10368164), (10, 5184082), (17, 3049460), (20, 2592041), (34, 1524730), (68, 762365), (85, 609892), (170, 304946), (289, 179380), (340, 152473), (578, 89690), (1156, 44845), (1445, 35876), (2890, 17938), (5780, 8969)]