90132760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54959}}^1$

素因数の和:55011

約数の個数: 32

約数和(自身を含む): 207748800

約数和(自身を除く): 117616040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 54959, 109918, 219836, 274795, 439672, 549590, 1099180, 2198360, 2253319, 4506638, 9013276, 11266595, 18026552, 22533190, 45066380, 90132760]

約数ペア:

[(1, 90132760), (2, 45066380), (4, 22533190), (5, 18026552), (8, 11266595), (10, 9013276), (20, 4506638), (40, 2253319), (41, 2198360), (82, 1099180), (164, 549590), (205, 439672), (328, 274795), (410, 219836), (820, 109918), (1640, 54959)]