13521680

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1163

約数の個数: 40

約数和(自身を含む): 31651992

約数和(自身を除く): 18130312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 977, 1384, 1730, 1954, 2768, 3460, 3908, 4885, 6920, 7816, 9770, 13840, 15632, 19540, 39080, 78160, 169021, 338042, 676084, 845105, 1352168, 1690210, 2704336, 3380420, 6760840, 13521680]

約数ペア:

[(1, 13521680), (2, 6760840), (4, 3380420), (5, 2704336), (8, 1690210), (10, 1352168), (16, 845105), (20, 676084), (40, 338042), (80, 169021), (173, 78160), (346, 39080), (692, 19540), (865, 15632), (977, 13840), (1384, 9770), (1730, 7816), (1954, 6920), (2768, 4885), (3460, 3908)]