127928620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{63331}}^1$

素因数の和:63441

約数の個数: 24

約数和(自身を含む): 271314288

約数和(自身を除く): 143385668

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 63331, 126662, 253324, 316655, 633310, 1266620, 6396431, 12792862, 25585724, 31982155, 63964310, 127928620]

約数ペア:

[(1, 127928620), (2, 63964310), (4, 31982155), (5, 25585724), (10, 12792862), (20, 6396431), (101, 1266620), (202, 633310), (404, 316655), (505, 253324), (1010, 126662), (2020, 63331)]