64208080

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1741}}^1$

素因数の和:2215

約数の個数: 40

約数和(自身を含む): 149693544

約数和(自身を除く): 85485464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1741, 1844, 2305, 3482, 3688, 4610, 6964, 7376, 8705, 9220, 13928, 17410, 18440, 27856, 34820, 36880, 69640, 139280, 802601, 1605202, 3210404, 4013005, 6420808, 8026010, 12841616, 16052020, 32104040, 64208080]

約数ペア:

[(1, 64208080), (2, 32104040), (4, 16052020), (5, 12841616), (8, 8026010), (10, 6420808), (16, 4013005), (20, 3210404), (40, 1605202), (80, 802601), (461, 139280), (922, 69640), (1741, 36880), (1844, 34820), (2305, 27856), (3482, 18440), (3688, 17410), (4610, 13928), (6964, 9220), (7376, 8705)]