8479640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 21470400

約数和(自身を除く): 12990760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 709, 920, 1196, 1418, 1495, 2392, 2836, 2990, 3545, 5672, 5980, 7090, 9217, 11960, 14180, 16307, 18434, 28360, 32614, 36868, 46085, 65228, 73736, 81535, 92170, 130456, 163070, 184340, 211991, 326140, 368680, 423982, 652280, 847964, 1059955, 1695928, 2119910, 4239820, 8479640]

約数ペア:

[(1, 8479640), (2, 4239820), (4, 2119910), (5, 1695928), (8, 1059955), (10, 847964), (13, 652280), (20, 423982), (23, 368680), (26, 326140), (40, 211991), (46, 184340), (52, 163070), (65, 130456), (92, 92170), (104, 81535), (115, 73736), (130, 65228), (184, 46085), (230, 36868), (260, 32614), (299, 28360), (460, 18434), (520, 16307), (598, 14180), (709, 11960), (920, 9217), (1196, 7090), (1418, 5980), (1495, 5672), (2392, 3545), (2836, 2990)]