7900120

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{631}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 17860320

約数和(自身を除く): 9960200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 631, 1252, 1262, 1565, 2504, 2524, 3130, 3155, 5048, 6260, 6310, 12520, 12620, 25240, 197503, 395006, 790012, 987515, 1580024, 1975030, 3950060, 7900120]

約数ペア:

[(1, 7900120), (2, 3950060), (4, 1975030), (5, 1580024), (8, 987515), (10, 790012), (20, 395006), (40, 197503), (313, 25240), (626, 12620), (631, 12520), (1252, 6310), (1262, 6260), (1565, 5048), (2504, 3155), (2524, 3130)]