15663625520

素因数分解:

$2^4\times 5^1\times {\mathrm{9803}}^1\times {\mathrm{19973}}^1$

素因数の和:29789

約数の個数: 40

約数和(自身を含む): 36423467856

約数和(自身を除く): 20759842336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9803, 19606, 19973, 39212, 39946, 49015, 78424, 79892, 98030, 99865, 156848, 159784, 196060, 199730, 319568, 392120, 399460, 784240, 798920, 1597840, 195795319, 391590638, 783181276, 978976595, 1566362552, 1957953190, 3132725104, 3915906380, 7831812760, 15663625520]

約数ペア:

[(1, 15663625520), (2, 7831812760), (4, 3915906380), (5, 3132725104), (8, 1957953190), (10, 1566362552), (16, 978976595), (20, 783181276), (40, 391590638), (80, 195795319), (9803, 1597840), (19606, 798920), (19973, 784240), (39212, 399460), (39946, 392120), (49015, 319568), (78424, 199730), (79892, 196060), (98030, 159784), (99865, 156848)]