16519240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1429}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 39510900

約数和(自身を除く): 22991660

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1429, 1445, 2312, 2858, 2890, 5716, 5780, 7145, 11432, 11560, 14290, 24293, 28580, 48586, 57160, 97172, 121465, 194344, 242930, 412981, 485860, 825962, 971720, 1651924, 2064905, 3303848, 4129810, 8259620, 16519240]

約数ペア:

[(1, 16519240), (2, 8259620), (4, 4129810), (5, 3303848), (8, 2064905), (10, 1651924), (17, 971720), (20, 825962), (34, 485860), (40, 412981), (68, 242930), (85, 194344), (136, 121465), (170, 97172), (289, 57160), (340, 48586), (578, 28580), (680, 24293), (1156, 14290), (1429, 11560), (1445, 11432), (2312, 7145), (2858, 5780), (2890, 5716)]