68510920

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2767}}^1$

素因数の和:3397

約数の個数: 32

約数和(自身を含む): 154454400

約数和(自身を除く): 85943480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 2767, 3095, 4952, 5534, 6190, 11068, 12380, 13835, 22136, 24760, 27670, 55340, 110680, 1712773, 3425546, 6851092, 8563865, 13702184, 17127730, 34255460, 68510920]

約数ペア:

[(1, 68510920), (2, 34255460), (4, 17127730), (5, 13702184), (8, 8563865), (10, 6851092), (20, 3425546), (40, 1712773), (619, 110680), (1238, 55340), (2476, 27670), (2767, 24760), (3095, 22136), (4952, 13835), (5534, 12380), (6190, 11068)]