10921520

素因数分解:

$2^4\times 5^1\times {\mathrm{136519}}^1$

素因数の和:136532

約数の個数: 20

約数和(自身を含む): 25392720

約数和(自身を除く): 14471200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 136519, 273038, 546076, 682595, 1092152, 1365190, 2184304, 2730380, 5460760, 10921520]

約数ペア:

[(1, 10921520), (2, 5460760), (4, 2730380), (5, 2184304), (8, 1365190), (10, 1092152), (16, 682595), (20, 546076), (40, 273038), (80, 136519)]