31223240

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1153}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 70417080

約数和(自身を除く): 39193840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1153, 1354, 2306, 2708, 3385, 4612, 5416, 5765, 6770, 9224, 11530, 13540, 23060, 27080, 46120, 780581, 1561162, 3122324, 3902905, 6244648, 7805810, 15611620, 31223240]

約数ペア:

[(1, 31223240), (2, 15611620), (4, 7805810), (5, 6244648), (8, 3902905), (10, 3122324), (20, 1561162), (40, 780581), (677, 46120), (1153, 27080), (1354, 23060), (2306, 13540), (2708, 11530), (3385, 9224), (4612, 6770), (5416, 5765)]