49815140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80347}}^1$

素因数の和:80387

約数の個数: 24

約数和(自身を含む): 107987712

約数和(自身を除く): 58172572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 80347, 160694, 321388, 401735, 803470, 1606940, 2490757, 4981514, 9963028, 12453785, 24907570, 49815140]

約数ペア:

[(1, 49815140), (2, 24907570), (4, 12453785), (5, 9963028), (10, 4981514), (20, 2490757), (31, 1606940), (62, 803470), (124, 401735), (155, 321388), (310, 160694), (620, 80347)]