13900090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44839}}^1$

素因数の和:44877

約数の個数: 16

約数和(自身を含む): 25827840

約数和(自身を除く): 11927750

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 44839, 89678, 224195, 448390, 1390009, 2780018, 6950045, 13900090]

約数ペア:

[(1, 13900090), (2, 6950045), (5, 2780018), (10, 1390009), (31, 448390), (62, 224195), (155, 89678), (310, 44839)]