1267432840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{313721}}^1$

素因数の和:313833

約数の個数: 32

約数和(自身を含む): 2879967960

約数和(自身を除く): 1612535120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 313721, 627442, 1254884, 1568605, 2509768, 3137210, 6274420, 12548840, 31685821, 63371642, 126743284, 158429105, 253486568, 316858210, 633716420, 1267432840]

約数ペア:

[(1, 1267432840), (2, 633716420), (4, 316858210), (5, 253486568), (8, 158429105), (10, 126743284), (20, 63371642), (40, 31685821), (101, 12548840), (202, 6274420), (404, 3137210), (505, 2509768), (808, 1568605), (1010, 1254884), (2020, 627442), (4040, 313721)]