55451960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81547}}^1$

素因数の和:81575

約数の個数: 32

約数和(自身を含む): 132107760

約数和(自身を除く): 76655800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81547, 163094, 326188, 407735, 652376, 815470, 1386299, 1630940, 2772598, 3261880, 5545196, 6931495, 11090392, 13862990, 27725980, 55451960]

約数ペア:

[(1, 55451960), (2, 27725980), (4, 13862990), (5, 11090392), (8, 6931495), (10, 5545196), (17, 3261880), (20, 2772598), (34, 1630940), (40, 1386299), (68, 815470), (85, 652376), (136, 407735), (170, 326188), (340, 163094), (680, 81547)]