30391160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24509}}^1$

素因数の和:24551

約数の個数: 32

約数和(自身を含む): 70588800

約数和(自身を除く): 40197640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24509, 49018, 98036, 122545, 196072, 245090, 490180, 759779, 980360, 1519558, 3039116, 3798895, 6078232, 7597790, 15195580, 30391160]

約数ペア:

[(1, 30391160), (2, 15195580), (4, 7597790), (5, 6078232), (8, 3798895), (10, 3039116), (20, 1519558), (31, 980360), (40, 759779), (62, 490180), (124, 245090), (155, 196072), (248, 122545), (310, 98036), (620, 49018), (1240, 24509)]