13280090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42839}}^1$

素因数の和:42877

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 11395750

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 42839, 85678, 214195, 428390, 1328009, 2656018, 6640045, 13280090]

約数ペア:

[(1, 13280090), (2, 6640045), (5, 2656018), (10, 1328009), (31, 428390), (62, 214195), (155, 85678), (310, 42839)]