38343880

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1721}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 86478840

約数和(自身を除く): 48134960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1721, 2228, 2785, 3442, 4456, 5570, 6884, 8605, 11140, 13768, 17210, 22280, 34420, 68840, 958597, 1917194, 3834388, 4792985, 7668776, 9585970, 19171940, 38343880]

約数ペア:

[(1, 38343880), (2, 19171940), (4, 9585970), (5, 7668776), (8, 4792985), (10, 3834388), (20, 1917194), (40, 958597), (557, 68840), (1114, 34420), (1721, 22280), (2228, 17210), (2785, 13768), (3442, 11140), (4456, 8605), (5570, 6884)]