27800180

素因数分解:

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

素因数の和:44879

約数の個数: 24

約数和(自身を含む): 60264960

約数和(自身を除く): 32464780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 44839, 89678, 179356, 224195, 448390, 896780, 1390009, 2780018, 5560036, 6950045, 13900090, 27800180]

約数ペア:

[(1, 27800180), (2, 13900090), (4, 6950045), (5, 5560036), (10, 2780018), (20, 1390009), (31, 896780), (62, 448390), (124, 224195), (155, 179356), (310, 89678), (620, 44839)]