8070640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1369

約数の個数: 40

約数和(自身を含む): 19016640

約数和(自身を除く): 10946000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1277, 1580, 2554, 3160, 5108, 6320, 6385, 10216, 12770, 20432, 25540, 51080, 100883, 102160, 201766, 403532, 504415, 807064, 1008830, 1614128, 2017660, 4035320, 8070640]

約数ペア:

[(1, 8070640), (2, 4035320), (4, 2017660), (5, 1614128), (8, 1008830), (10, 807064), (16, 504415), (20, 403532), (40, 201766), (79, 102160), (80, 100883), (158, 51080), (316, 25540), (395, 20432), (632, 12770), (790, 10216), (1264, 6385), (1277, 6320), (1580, 5108), (2554, 3160)]