2631760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 6222816

約数和(自身を除く): 3591056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 491, 536, 670, 982, 1072, 1340, 1964, 2455, 2680, 3928, 4910, 5360, 7856, 9820, 19640, 32897, 39280, 65794, 131588, 164485, 263176, 328970, 526352, 657940, 1315880, 2631760]

約数ペア:

[(1, 2631760), (2, 1315880), (4, 657940), (5, 526352), (8, 328970), (10, 263176), (16, 164485), (20, 131588), (40, 65794), (67, 39280), (80, 32897), (134, 19640), (268, 9820), (335, 7856), (491, 5360), (536, 4910), (670, 3928), (982, 2680), (1072, 2455), (1340, 1964)]