262123760

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8423}}^1$

素因数の和:8825

約数の個数: 40

約数和(自身を含む): 611076960

約数和(自身を除く): 348953200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 8423, 15560, 16846, 31120, 33692, 42115, 67384, 84230, 134768, 168460, 336920, 673840, 3276547, 6553094, 13106188, 16382735, 26212376, 32765470, 52424752, 65530940, 131061880, 262123760]

約数ペア:

[(1, 262123760), (2, 131061880), (4, 65530940), (5, 52424752), (8, 32765470), (10, 26212376), (16, 16382735), (20, 13106188), (40, 6553094), (80, 3276547), (389, 673840), (778, 336920), (1556, 168460), (1945, 134768), (3112, 84230), (3890, 67384), (6224, 42115), (7780, 33692), (8423, 31120), (15560, 16846)]