1013065720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{617723}}^1$

素因数の和:617775

約数の個数: 32

約数和(自身を含む): 2334996720

約数和(自身を除く): 1321931000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 617723, 1235446, 2470892, 3088615, 4941784, 6177230, 12354460, 24708920, 25326643, 50653286, 101306572, 126633215, 202613144, 253266430, 506532860, 1013065720]

約数ペア:

[(1, 1013065720), (2, 506532860), (4, 253266430), (5, 202613144), (8, 126633215), (10, 101306572), (20, 50653286), (40, 25326643), (41, 24708920), (82, 12354460), (164, 6177230), (205, 4941784), (328, 3088615), (410, 2470892), (820, 1235446), (1640, 617723)]