7998160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5881}}^1$

素因数の和:5911

約数の個数: 40

約数和(自身を含む): 19692936

約数和(自身を除く): 11694776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 5881, 11762, 23524, 29405, 47048, 58810, 94096, 99977, 117620, 199954, 235240, 399908, 470480, 499885, 799816, 999770, 1599632, 1999540, 3999080, 7998160]

約数ペア:

[(1, 7998160), (2, 3999080), (4, 1999540), (5, 1599632), (8, 999770), (10, 799816), (16, 499885), (17, 470480), (20, 399908), (34, 235240), (40, 199954), (68, 117620), (80, 99977), (85, 94096), (136, 58810), (170, 47048), (272, 29405), (340, 23524), (680, 11762), (1360, 5881)]