199142480

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{3163}}^1$

素因数の和:3963

約数の個数: 40

約数和(自身を含む): 463741152

約数和(自身を除く): 264598672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 3148, 3163, 3935, 6296, 6326, 7870, 12592, 12652, 15740, 15815, 25304, 31480, 31630, 50608, 62960, 63260, 126520, 253040, 2489281, 4978562, 9957124, 12446405, 19914248, 24892810, 39828496, 49785620, 99571240, 199142480]

約数ペア:

[(1, 199142480), (2, 99571240), (4, 49785620), (5, 39828496), (8, 24892810), (10, 19914248), (16, 12446405), (20, 9957124), (40, 4978562), (80, 2489281), (787, 253040), (1574, 126520), (3148, 63260), (3163, 62960), (3935, 50608), (6296, 31630), (6326, 31480), (7870, 25304), (12592, 15815), (12652, 15740)]