2895440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2159

約数の個数: 40

約数和(自身を含む): 7131240

約数和(自身を除く): 4235800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2129, 4258, 8516, 10645, 17032, 21290, 34064, 36193, 42580, 72386, 85160, 144772, 170320, 180965, 289544, 361930, 579088, 723860, 1447720, 2895440]

約数ペア:

[(1, 2895440), (2, 1447720), (4, 723860), (5, 579088), (8, 361930), (10, 289544), (16, 180965), (17, 170320), (20, 144772), (34, 85160), (40, 72386), (68, 42580), (80, 36193), (85, 34064), (136, 21290), (170, 17032), (272, 10645), (340, 8516), (680, 4258), (1360, 2129)]