4891640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 12398400

約数和(自身を除く): 7506760

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, 409, 460, 520, 598, 818, 920, 1196, 1495, 1636, 2045, 2392, 2990, 3272, 4090, 5317, 5980, 8180, 9407, 10634, 11960, 16360, 18814, 21268, 26585, 37628, 42536, 47035, 53170, 75256, 94070, 106340, 122291, 188140, 212680, 244582, 376280, 489164, 611455, 978328, 1222910, 2445820, 4891640]

約数ペア:

[(1, 4891640), (2, 2445820), (4, 1222910), (5, 978328), (8, 611455), (10, 489164), (13, 376280), (20, 244582), (23, 212680), (26, 188140), (40, 122291), (46, 106340), (52, 94070), (65, 75256), (92, 53170), (104, 47035), (115, 42536), (130, 37628), (184, 26585), (230, 21268), (260, 18814), (299, 16360), (409, 11960), (460, 10634), (520, 9407), (598, 8180), (818, 5980), (920, 5317), (1196, 4090), (1495, 3272), (1636, 2990), (2045, 2392)]