30639160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24709}}^1$

素因数の和:24751

約数の個数: 32

約数和(自身を含む): 71164800

約数和(自身を除く): 40525640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24709, 49418, 98836, 123545, 197672, 247090, 494180, 765979, 988360, 1531958, 3063916, 3829895, 6127832, 7659790, 15319580, 30639160]

約数ペア:

[(1, 30639160), (2, 15319580), (4, 7659790), (5, 6127832), (8, 3829895), (10, 3063916), (20, 1531958), (31, 988360), (40, 765979), (62, 494180), (124, 247090), (155, 197672), (248, 123545), (310, 98836), (620, 49418), (1240, 24709)]