28979080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2423}}^1$

素因数の和:2470

約数の個数: 64

約数和(自身を含む): 73301760

約数和(自身を除く): 44322680

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, 2392, 2423, 2990, 4846, 5980, 9692, 11960, 12115, 19384, 24230, 31499, 48460, 55729, 62998, 96920, 111458, 125996, 157495, 222916, 251992, 278645, 314990, 445832, 557290, 629980, 724477, 1114580, 1259960, 1448954, 2229160, 2897908, 3622385, 5795816, 7244770, 14489540, 28979080]

約数ペア:

[(1, 28979080), (2, 14489540), (4, 7244770), (5, 5795816), (8, 3622385), (10, 2897908), (13, 2229160), (20, 1448954), (23, 1259960), (26, 1114580), (40, 724477), (46, 629980), (52, 557290), (65, 445832), (92, 314990), (104, 278645), (115, 251992), (130, 222916), (184, 157495), (230, 125996), (260, 111458), (299, 96920), (460, 62998), (520, 55729), (598, 48460), (920, 31499), (1196, 24230), (1495, 19384), (2392, 12115), (2423, 11960), (2990, 9692), (4846, 5980)]