78960080

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2141}}^1$

素因数の和:2615

約数の個数: 40

約数和(自身を含む): 184066344

約数和(自身を除く): 105106264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2141, 2305, 3688, 4282, 4610, 7376, 8564, 9220, 10705, 17128, 18440, 21410, 34256, 36880, 42820, 85640, 171280, 987001, 1974002, 3948004, 4935005, 7896008, 9870010, 15792016, 19740020, 39480040, 78960080]

約数ペア:

[(1, 78960080), (2, 39480040), (4, 19740020), (5, 15792016), (8, 9870010), (10, 7896008), (16, 4935005), (20, 3948004), (40, 1974002), (80, 987001), (461, 171280), (922, 85640), (1844, 42820), (2141, 36880), (2305, 34256), (3688, 21410), (4282, 18440), (4610, 17128), (7376, 10705), (8564, 9220)]