155800040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{354091}}^1$

素因数の和:354113

約数の個数: 32

約数和(自身を含む): 382419360

約数和(自身を除く): 226619320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 354091, 708182, 1416364, 1770455, 2832728, 3540910, 3895001, 7081820, 7790002, 14163640, 15580004, 19475005, 31160008, 38950010, 77900020, 155800040]

約数ペア:

[(1, 155800040), (2, 77900020), (4, 38950010), (5, 31160008), (8, 19475005), (10, 15580004), (11, 14163640), (20, 7790002), (22, 7081820), (40, 3895001), (44, 3540910), (55, 2832728), (88, 1770455), (110, 1416364), (220, 708182), (440, 354091)]