54520040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{25717}}^1$

素因数の和:25781

約数の個数: 32

約数和(自身を含む): 124989480

約数和(自身を除く): 70469440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 25717, 51434, 102868, 128585, 205736, 257170, 514340, 1028680, 1363001, 2726002, 5452004, 6815005, 10904008, 13630010, 27260020, 54520040]

約数ペア:

[(1, 54520040), (2, 27260020), (4, 13630010), (5, 10904008), (8, 6815005), (10, 5452004), (20, 2726002), (40, 1363001), (53, 1028680), (106, 514340), (212, 257170), (265, 205736), (424, 128585), (530, 102868), (1060, 51434), (2120, 25717)]