13318640

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{727}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 31143840

約数和(自身を除く): 17825200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 727, 916, 1145, 1454, 1832, 2290, 2908, 3635, 3664, 4580, 5816, 7270, 9160, 11632, 14540, 18320, 29080, 58160, 166483, 332966, 665932, 832415, 1331864, 1664830, 2663728, 3329660, 6659320, 13318640]

約数ペア:

[(1, 13318640), (2, 6659320), (4, 3329660), (5, 2663728), (8, 1664830), (10, 1331864), (16, 832415), (20, 665932), (40, 332966), (80, 166483), (229, 58160), (458, 29080), (727, 18320), (916, 14540), (1145, 11632), (1454, 9160), (1832, 7270), (2290, 5816), (2908, 4580), (3635, 3664)]