5419640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 12286080

約数和(自身を除く): 6866440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 863, 1256, 1570, 1726, 3140, 3452, 4315, 6280, 6904, 8630, 17260, 34520, 135491, 270982, 541964, 677455, 1083928, 1354910, 2709820, 5419640]

約数ペア:

[(1, 5419640), (2, 2709820), (4, 1354910), (5, 1083928), (8, 677455), (10, 541964), (20, 270982), (40, 135491), (157, 34520), (314, 17260), (628, 8630), (785, 6904), (863, 6280), (1256, 4315), (1570, 3452), (1726, 3140)]