7982440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 18069480

約数和(自身を除く): 10087040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1013, 1576, 1970, 2026, 3940, 4052, 5065, 7880, 8104, 10130, 20260, 40520, 199561, 399122, 798244, 997805, 1596488, 1995610, 3991220, 7982440]

約数ペア:

[(1, 7982440), (2, 3991220), (4, 1995610), (5, 1596488), (8, 997805), (10, 798244), (20, 399122), (40, 199561), (197, 40520), (394, 20260), (788, 10130), (985, 8104), (1013, 7880), (1576, 5065), (1970, 4052), (2026, 3940)]