77853680

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2111}}^1$

素因数の和:2585

約数の個数: 40

約数和(自身を含む): 181488384

約数和(自身を除く): 103634704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2111, 2305, 3688, 4222, 4610, 7376, 8444, 9220, 10555, 16888, 18440, 21110, 33776, 36880, 42220, 84440, 168880, 973171, 1946342, 3892684, 4865855, 7785368, 9731710, 15570736, 19463420, 38926840, 77853680]

約数ペア:

[(1, 77853680), (2, 38926840), (4, 19463420), (5, 15570736), (8, 9731710), (10, 7785368), (16, 4865855), (20, 3892684), (40, 1946342), (80, 973171), (461, 168880), (922, 84440), (1844, 42220), (2111, 36880), (2305, 33776), (3688, 21110), (4222, 18440), (4610, 16888), (7376, 10555), (8444, 9220)]