168422020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{3833}}^1$

素因数の和:3881

約数の個数: 48

約数和(自身を含む): 383246640

約数和(自身を除く): 214824620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 3833, 4394, 7666, 8788, 10985, 15332, 19165, 21970, 38330, 43940, 49829, 76660, 99658, 199316, 249145, 498290, 647777, 996580, 1295554, 2591108, 3238885, 6477770, 8421101, 12955540, 16842202, 33684404, 42105505, 84211010, 168422020]

約数ペア:

[(1, 168422020), (2, 84211010), (4, 42105505), (5, 33684404), (10, 16842202), (13, 12955540), (20, 8421101), (26, 6477770), (52, 3238885), (65, 2591108), (130, 1295554), (169, 996580), (260, 647777), (338, 498290), (676, 249145), (845, 199316), (1690, 99658), (2197, 76660), (3380, 49829), (3833, 43940), (4394, 38330), (7666, 21970), (8788, 19165), (10985, 15332)]