220198040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103867}}^1$

素因数の和:103931

約数の個数: 32

約数和(自身を含む): 504798480

約数和(自身を除く): 284600440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 103867, 207734, 415468, 519335, 830936, 1038670, 2077340, 4154680, 5504951, 11009902, 22019804, 27524755, 44039608, 55049510, 110099020, 220198040]

約数ペア:

[(1, 220198040), (2, 110099020), (4, 55049510), (5, 44039608), (8, 27524755), (10, 22019804), (20, 11009902), (40, 5504951), (53, 4154680), (106, 2077340), (212, 1038670), (265, 830936), (424, 519335), (530, 415468), (1060, 207734), (2120, 103867)]