8489120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3121}}^1$

素因数の和:3153

約数の個数: 48

約数和(自身を含む): 21242088

約数和(自身を除く): 12752968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 3121, 6242, 12484, 15605, 24968, 31210, 49936, 53057, 62420, 99872, 106114, 124840, 212228, 249680, 265285, 424456, 499360, 530570, 848912, 1061140, 1697824, 2122280, 4244560, 8489120]

約数ペア:

[(1, 8489120), (2, 4244560), (4, 2122280), (5, 1697824), (8, 1061140), (10, 848912), (16, 530570), (17, 499360), (20, 424456), (32, 265285), (34, 249680), (40, 212228), (68, 124840), (80, 106114), (85, 99872), (136, 62420), (160, 53057), (170, 49936), (272, 31210), (340, 24968), (544, 15605), (680, 12484), (1360, 6242), (2720, 3121)]