51158680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41257}}^1$

素因数の和:41299

約数の個数: 32

約数和(自身を含む): 118823040

約数和(自身を除く): 67664360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41257, 82514, 165028, 206285, 330056, 412570, 825140, 1278967, 1650280, 2557934, 5115868, 6394835, 10231736, 12789670, 25579340, 51158680]

約数ペア:

[(1, 51158680), (2, 25579340), (4, 12789670), (5, 10231736), (8, 6394835), (10, 5115868), (20, 2557934), (31, 1650280), (40, 1278967), (62, 825140), (124, 412570), (155, 330056), (248, 206285), (310, 165028), (620, 82514), (1240, 41257)]