1131322840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{689831}}^1$

素因数の和:689883

約数の個数: 32

約数和(自身を含む): 2607564960

約数和(自身を除く): 1476242120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 689831, 1379662, 2759324, 3449155, 5518648, 6898310, 13796620, 27593240, 28283071, 56566142, 113132284, 141415355, 226264568, 282830710, 565661420, 1131322840]

約数ペア:

[(1, 1131322840), (2, 565661420), (4, 282830710), (5, 226264568), (8, 141415355), (10, 113132284), (20, 56566142), (40, 28283071), (41, 27593240), (82, 13796620), (164, 6898310), (205, 5518648), (328, 3449155), (410, 2759324), (820, 1379662), (1640, 689831)]