7138840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{563}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 16141680

約数和(自身を除く): 9002840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 563, 634, 1126, 1268, 1585, 2252, 2536, 2815, 3170, 4504, 5630, 6340, 11260, 12680, 22520, 178471, 356942, 713884, 892355, 1427768, 1784710, 3569420, 7138840]

約数ペア:

[(1, 7138840), (2, 3569420), (4, 1784710), (5, 1427768), (8, 892355), (10, 713884), (20, 356942), (40, 178471), (317, 22520), (563, 12680), (634, 11260), (1126, 6340), (1268, 5630), (1585, 4504), (2252, 3170), (2536, 2815)]