68643760

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6173}}^1$

素因数の和:6325

約数の個数: 40

約数和(自身を含む): 160770960

約数和(自身を除く): 92127200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 6173, 11120, 12346, 24692, 30865, 49384, 61730, 98768, 123460, 246920, 493840, 858047, 1716094, 3432188, 4290235, 6864376, 8580470, 13728752, 17160940, 34321880, 68643760]

約数ペア:

[(1, 68643760), (2, 34321880), (4, 17160940), (5, 13728752), (8, 8580470), (10, 6864376), (16, 4290235), (20, 3432188), (40, 1716094), (80, 858047), (139, 493840), (278, 246920), (556, 123460), (695, 98768), (1112, 61730), (1390, 49384), (2224, 30865), (2780, 24692), (5560, 12346), (6173, 11120)]