19750240

素因数分解:

$2^5\times 5^1\times {\mathrm{123439}}^1$

素因数の和:123454

約数の個数: 24

約数和(自身を含む): 46660320

約数和(自身を除く): 26910080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123439, 246878, 493756, 617195, 987512, 1234390, 1975024, 2468780, 3950048, 4937560, 9875120, 19750240]

約数ペア:

[(1, 19750240), (2, 9875120), (4, 4937560), (5, 3950048), (8, 2468780), (10, 1975024), (16, 1234390), (20, 987512), (32, 617195), (40, 493756), (80, 246878), (160, 123439)]