89741720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42331}}^1$

素因数の和:42395

約数の個数: 32

約数和(自身を含む): 205733520

約数和(自身を除く): 115991800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42331, 84662, 169324, 211655, 338648, 423310, 846620, 1693240, 2243543, 4487086, 8974172, 11217715, 17948344, 22435430, 44870860, 89741720]

約数ペア:

[(1, 89741720), (2, 44870860), (4, 22435430), (5, 17948344), (8, 11217715), (10, 8974172), (20, 4487086), (40, 2243543), (53, 1693240), (106, 846620), (212, 423310), (265, 338648), (424, 211655), (530, 169324), (1060, 84662), (2120, 42331)]