71955440

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2243}}^1$

素因数の和:2657

約数の個数: 40

約数和(自身を含む): 167788368

約数和(自身を除く): 95832928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 2243, 3208, 4010, 4486, 6416, 8020, 8972, 11215, 16040, 17944, 22430, 32080, 35888, 44860, 89720, 179440, 899443, 1798886, 3597772, 4497215, 7195544, 8994430, 14391088, 17988860, 35977720, 71955440]

約数ペア:

[(1, 71955440), (2, 35977720), (4, 17988860), (5, 14391088), (8, 8994430), (10, 7195544), (16, 4497215), (20, 3597772), (40, 1798886), (80, 899443), (401, 179440), (802, 89720), (1604, 44860), (2005, 35888), (2243, 32080), (3208, 22430), (4010, 17944), (4486, 16040), (6416, 11215), (8020, 8972)]