259636760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{49549}}^1$

素因数の和:49691

約数の個数: 32

約数和(自身を含む): 588654000

約数和(自身を除く): 329017240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 49549, 99098, 198196, 247745, 396392, 495490, 990980, 1981960, 6490919, 12981838, 25963676, 32454595, 51927352, 64909190, 129818380, 259636760]

約数ペア:

[(1, 259636760), (2, 129818380), (4, 64909190), (5, 51927352), (8, 32454595), (10, 25963676), (20, 12981838), (40, 6490919), (131, 1981960), (262, 990980), (524, 495490), (655, 396392), (1048, 247745), (1310, 198196), (2620, 99098), (5240, 49549)]