40409428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2699}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 74844000

約数和(自身を除く): 34434572

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 2699, 3743, 5398, 7486, 10796, 14972, 51281, 102562, 205124, 531703, 1063406, 2126812, 10102357, 20204714, 40409428]

約数ペア:

[(1, 40409428), (2, 20204714), (4, 10102357), (19, 2126812), (38, 1063406), (76, 531703), (197, 205124), (394, 102562), (788, 51281), (2699, 14972), (3743, 10796), (5398, 7486)]