16247920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 43122240

約数和(自身を除く): 26874320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 919, 1040, 1105, 1360, 1768, 1838, 2210, 3536, 3676, 4420, 4595, 7352, 8840, 9190, 11947, 14704, 15623, 17680, 18380, 23894, 31246, 36760, 47788, 59735, 62492, 73520, 78115, 95576, 119470, 124984, 156230, 191152, 203099, 238940, 249968, 312460, 406198, 477880, 624920, 812396, 955760, 1015495, 1249840, 1624792, 2030990, 3249584, 4061980, 8123960, 16247920]

約数ペア:

[(1, 16247920), (2, 8123960), (4, 4061980), (5, 3249584), (8, 2030990), (10, 1624792), (13, 1249840), (16, 1015495), (17, 955760), (20, 812396), (26, 624920), (34, 477880), (40, 406198), (52, 312460), (65, 249968), (68, 238940), (80, 203099), (85, 191152), (104, 156230), (130, 124984), (136, 119470), (170, 95576), (208, 78115), (221, 73520), (260, 62492), (272, 59735), (340, 47788), (442, 36760), (520, 31246), (680, 23894), (884, 18380), (919, 17680), (1040, 15623), (1105, 14704), (1360, 11947), (1768, 9190), (1838, 8840), (2210, 7352), (3536, 4595), (3676, 4420)]