6321640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12157}}^1$

素因数の和:12181

約数の個数: 32

約数和(自身を含む): 15319080

約数和(自身を除く): 8997440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12157, 24314, 48628, 60785, 97256, 121570, 158041, 243140, 316082, 486280, 632164, 790205, 1264328, 1580410, 3160820, 6321640]

約数ペア:

[(1, 6321640), (2, 3160820), (4, 1580410), (5, 1264328), (8, 790205), (10, 632164), (13, 486280), (20, 316082), (26, 243140), (40, 158041), (52, 121570), (65, 97256), (104, 60785), (130, 48628), (260, 24314), (520, 12157)]