77899760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13339}}^1$

素因数の和:13425

約数の個数: 40

約数和(自身を含む): 183611760

約数和(自身を除く): 105712000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 13339, 26678, 53356, 66695, 106712, 133390, 213424, 266780, 533560, 973747, 1067120, 1947494, 3894988, 4868735, 7789976, 9737470, 15579952, 19474940, 38949880, 77899760]

約数ペア:

[(1, 77899760), (2, 38949880), (4, 19474940), (5, 15579952), (8, 9737470), (10, 7789976), (16, 4868735), (20, 3894988), (40, 1947494), (73, 1067120), (80, 973747), (146, 533560), (292, 266780), (365, 213424), (584, 133390), (730, 106712), (1168, 66695), (1460, 53356), (2920, 26678), (5840, 13339)]