128520040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{292091}}^1$

素因数の和:292113

約数の個数: 32

約数和(自身を含む): 315459360

約数和(自身を除く): 186939320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 292091, 584182, 1168364, 1460455, 2336728, 2920910, 3213001, 5841820, 6426002, 11683640, 12852004, 16065005, 25704008, 32130010, 64260020, 128520040]

約数ペア:

[(1, 128520040), (2, 64260020), (4, 32130010), (5, 25704008), (8, 16065005), (10, 12852004), (11, 11683640), (20, 6426002), (22, 5841820), (40, 3213001), (44, 2920910), (55, 2336728), (88, 1460455), (110, 1168364), (220, 584182), (440, 292091)]