13011760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3967}}^1$

素因数の和:4021

約数の個数: 40

約数和(自身を含む): 30998016

約数和(自身を除く): 17986256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3967, 7934, 15868, 19835, 31736, 39670, 63472, 79340, 158680, 162647, 317360, 325294, 650588, 813235, 1301176, 1626470, 2602352, 3252940, 6505880, 13011760]

約数ペア:

[(1, 13011760), (2, 6505880), (4, 3252940), (5, 2602352), (8, 1626470), (10, 1301176), (16, 813235), (20, 650588), (40, 325294), (41, 317360), (80, 162647), (82, 158680), (164, 79340), (205, 63472), (328, 39670), (410, 31736), (656, 19835), (820, 15868), (1640, 7934), (3280, 3967)]