392922440

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{9697}}^1$

素因数の和:10721

約数の個数: 32

約数和(自身を含む): 885039480

約数和(自身を除く): 492117040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 4052, 5065, 8104, 9697, 10130, 19394, 20260, 38788, 40520, 48485, 77576, 96970, 193940, 387880, 9823061, 19646122, 39292244, 49115305, 78584488, 98230610, 196461220, 392922440]

約数ペア:

[(1, 392922440), (2, 196461220), (4, 98230610), (5, 78584488), (8, 49115305), (10, 39292244), (20, 19646122), (40, 9823061), (1013, 387880), (2026, 193940), (4052, 96970), (5065, 77576), (8104, 48485), (9697, 40520), (10130, 38788), (19394, 20260)]