20089750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 41446080

約数和(自身を除く): 21356330

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 125, 145, 163, 170, 250, 290, 326, 425, 493, 725, 815, 850, 986, 1450, 1630, 2125, 2465, 2771, 3625, 4075, 4250, 4727, 4930, 5542, 7250, 8150, 9454, 12325, 13855, 20375, 23635, 24650, 27710, 40750, 47270, 61625, 69275, 80359, 118175, 123250, 138550, 160718, 236350, 346375, 401795, 590875, 692750, 803590, 1181750, 2008975, 4017950, 10044875, 20089750]

約数ペア:

[(1, 20089750), (2, 10044875), (5, 4017950), (10, 2008975), (17, 1181750), (25, 803590), (29, 692750), (34, 590875), (50, 401795), (58, 346375), (85, 236350), (125, 160718), (145, 138550), (163, 123250), (170, 118175), (250, 80359), (290, 69275), (326, 61625), (425, 47270), (493, 40750), (725, 27710), (815, 24650), (850, 23635), (986, 20375), (1450, 13855), (1630, 12325), (2125, 9454), (2465, 8150), (2771, 7250), (3625, 5542), (4075, 4930), (4250, 4727)]