71452040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162391}}^1$

素因数の和:162413

約数の個数: 32

約数和(自身を含む): 175383360

約数和(自身を除く): 103931320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162391, 324782, 649564, 811955, 1299128, 1623910, 1786301, 3247820, 3572602, 6495640, 7145204, 8931505, 14290408, 17863010, 35726020, 71452040]

約数ペア:

[(1, 71452040), (2, 35726020), (4, 17863010), (5, 14290408), (8, 8931505), (10, 7145204), (11, 6495640), (20, 3572602), (22, 3247820), (40, 1786301), (44, 1623910), (55, 1299128), (88, 811955), (110, 649564), (220, 324782), (440, 162391)]