1270298840

素因数分解:

$2^3\times 5^1\times {\mathrm{3529}}^1\times {\mathrm{8999}}^1$

素因数の和:12539

約数の個数: 32

約数和(自身を含む): 2859300000

約数和(自身を除く): 1589001160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3529, 7058, 8999, 14116, 17645, 17998, 28232, 35290, 35996, 44995, 70580, 71992, 89990, 141160, 179980, 359960, 31757471, 63514942, 127029884, 158787355, 254059768, 317574710, 635149420, 1270298840]

約数ペア:

[(1, 1270298840), (2, 635149420), (4, 317574710), (5, 254059768), (8, 158787355), (10, 127029884), (20, 63514942), (40, 31757471), (3529, 359960), (7058, 179980), (8999, 141160), (14116, 89990), (17645, 71992), (17998, 70580), (28232, 44995), (35290, 35996)]