16452680

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{977}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 37144440

約数和(自身を除く): 20691760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 977, 1684, 1954, 2105, 3368, 3908, 4210, 4885, 7816, 8420, 9770, 16840, 19540, 39080, 411317, 822634, 1645268, 2056585, 3290536, 4113170, 8226340, 16452680]

約数ペア:

[(1, 16452680), (2, 8226340), (4, 4113170), (5, 3290536), (8, 2056585), (10, 1645268), (20, 822634), (40, 411317), (421, 39080), (842, 19540), (977, 16840), (1684, 9770), (1954, 8420), (2105, 7816), (3368, 4885), (3908, 4210)]