9984880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6569}}^1$

素因数の和:6601

約数の個数: 40

約数和(自身を含む): 24440400

約数和(自身を除く): 14455520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 6569, 13138, 26276, 32845, 52552, 65690, 105104, 124811, 131380, 249622, 262760, 499244, 525520, 624055, 998488, 1248110, 1996976, 2496220, 4992440, 9984880]

約数ペア:

[(1, 9984880), (2, 4992440), (4, 2496220), (5, 1996976), (8, 1248110), (10, 998488), (16, 624055), (19, 525520), (20, 499244), (38, 262760), (40, 249622), (76, 131380), (80, 124811), (95, 105104), (152, 65690), (190, 52552), (304, 32845), (380, 26276), (760, 13138), (1520, 6569)]