447560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 1028160

約数和(自身を除く): 580600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 167, 268, 334, 335, 536, 668, 670, 835, 1336, 1340, 1670, 2680, 3340, 6680, 11189, 22378, 44756, 55945, 89512, 111890, 223780, 447560]

約数ペア:

[(1, 447560), (2, 223780), (4, 111890), (5, 89512), (8, 55945), (10, 44756), (20, 22378), (40, 11189), (67, 6680), (134, 3340), (167, 2680), (268, 1670), (334, 1340), (335, 1336), (536, 835), (668, 670)]