28476760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 72031680

約数和(自身を除く): 43554920

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, 920, 1196, 1495, 2381, 2392, 2990, 4762, 5980, 9524, 11905, 11960, 19048, 23810, 30953, 47620, 54763, 61906, 95240, 109526, 123812, 154765, 219052, 247624, 273815, 309530, 438104, 547630, 619060, 711919, 1095260, 1238120, 1423838, 2190520, 2847676, 3559595, 5695352, 7119190, 14238380, 28476760]

約数ペア:

[(1, 28476760), (2, 14238380), (4, 7119190), (5, 5695352), (8, 3559595), (10, 2847676), (13, 2190520), (20, 1423838), (23, 1238120), (26, 1095260), (40, 711919), (46, 619060), (52, 547630), (65, 438104), (92, 309530), (104, 273815), (115, 247624), (130, 219052), (184, 154765), (230, 123812), (260, 109526), (299, 95240), (460, 61906), (520, 54763), (598, 47620), (920, 30953), (1196, 23810), (1495, 19048), (2381, 11960), (2392, 11905), (2990, 9524), (4762, 5980)]