63651640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 155786400

約数和(自身を除く): 92134760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1123, 1417, 2180, 2246, 2834, 4360, 4492, 5615, 5668, 7085, 8984, 11230, 11336, 14170, 14599, 22460, 28340, 29198, 44920, 56680, 58396, 72995, 116792, 122407, 145990, 244814, 291980, 489628, 583960, 612035, 979256, 1224070, 1591291, 2448140, 3182582, 4896280, 6365164, 7956455, 12730328, 15912910, 31825820, 63651640]

約数ペア:

[(1, 63651640), (2, 31825820), (4, 15912910), (5, 12730328), (8, 7956455), (10, 6365164), (13, 4896280), (20, 3182582), (26, 2448140), (40, 1591291), (52, 1224070), (65, 979256), (104, 612035), (109, 583960), (130, 489628), (218, 291980), (260, 244814), (436, 145990), (520, 122407), (545, 116792), (872, 72995), (1090, 58396), (1123, 56680), (1417, 44920), (2180, 29198), (2246, 28340), (2834, 22460), (4360, 14599), (4492, 14170), (5615, 11336), (5668, 11230), (7085, 8984)]