71129680

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1223}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 165739392

約数和(自身を除く): 94609712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1223, 1454, 2446, 2908, 3635, 4892, 5816, 6115, 7270, 9784, 11632, 12230, 14540, 19568, 24460, 29080, 48920, 58160, 97840, 889121, 1778242, 3556484, 4445605, 7112968, 8891210, 14225936, 17782420, 35564840, 71129680]

約数ペア:

[(1, 71129680), (2, 35564840), (4, 17782420), (5, 14225936), (8, 8891210), (10, 7112968), (16, 4445605), (20, 3556484), (40, 1778242), (80, 889121), (727, 97840), (1223, 58160), (1454, 48920), (2446, 29080), (2908, 24460), (3635, 19568), (4892, 14540), (5816, 12230), (6115, 11632), (7270, 9784)]