28195040

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{563}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 66942288

約数和(自身を除く): 38747248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 563, 626, 1126, 1252, 1565, 2252, 2504, 2815, 3130, 4504, 5008, 5630, 6260, 9008, 10016, 11260, 12520, 18016, 22520, 25040, 45040, 50080, 90080, 176219, 352438, 704876, 881095, 1409752, 1762190, 2819504, 3524380, 5639008, 7048760, 14097520, 28195040]

約数ペア:

[(1, 28195040), (2, 14097520), (4, 7048760), (5, 5639008), (8, 3524380), (10, 2819504), (16, 1762190), (20, 1409752), (32, 881095), (40, 704876), (80, 352438), (160, 176219), (313, 90080), (563, 50080), (626, 45040), (1126, 25040), (1252, 22520), (1565, 18016), (2252, 12520), (2504, 11260), (2815, 10016), (3130, 9008), (4504, 6260), (5008, 5630)]