16407760

素因数分解:

$2^4\times 5^1\times {\mathrm{205097}}^1$

素因数の和:205110

約数の個数: 20

約数和(自身を含む): 38148228

約数和(自身を除く): 21740468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205097, 410194, 820388, 1025485, 1640776, 2050970, 3281552, 4101940, 8203880, 16407760]

約数ペア:

[(1, 16407760), (2, 8203880), (4, 4101940), (5, 3281552), (8, 2050970), (10, 1640776), (16, 1025485), (20, 820388), (40, 410194), (80, 205097)]