68105140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109847}}^1$

素因数の和:109887

約数の個数: 24

約数和(自身を含む): 147635712

約数和(自身を除く): 79530572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 109847, 219694, 439388, 549235, 1098470, 2196940, 3405257, 6810514, 13621028, 17026285, 34052570, 68105140]

約数ペア:

[(1, 68105140), (2, 34052570), (4, 17026285), (5, 13621028), (10, 6810514), (20, 3405257), (31, 2196940), (62, 1098470), (124, 549235), (155, 439388), (310, 219694), (620, 109847)]