71323240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41467}}^1$

素因数の和:41521

約数の個数: 32

約数和(自身を含む): 164213280

約数和(自身を除く): 92890040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41467, 82934, 165868, 207335, 331736, 414670, 829340, 1658680, 1783081, 3566162, 7132324, 8915405, 14264648, 17830810, 35661620, 71323240]

約数ペア:

[(1, 71323240), (2, 35661620), (4, 17830810), (5, 14264648), (8, 8915405), (10, 7132324), (20, 3566162), (40, 1783081), (43, 1658680), (86, 829340), (172, 414670), (215, 331736), (344, 207335), (430, 165868), (860, 82934), (1720, 41467)]