71941640

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2963}}^1$

素因数の和:3581

約数の個数: 32

約数和(自身を含む): 162190080

約数和(自身を除く): 90248440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2963, 3035, 4856, 5926, 6070, 11852, 12140, 14815, 23704, 24280, 29630, 59260, 118520, 1798541, 3597082, 7194164, 8992705, 14388328, 17985410, 35970820, 71941640]

約数ペア:

[(1, 71941640), (2, 35970820), (4, 17985410), (5, 14388328), (8, 8992705), (10, 7194164), (20, 3597082), (40, 1798541), (607, 118520), (1214, 59260), (2428, 29630), (2963, 24280), (3035, 23704), (4856, 14815), (5926, 12140), (6070, 11852)]