138036760

素因数分解:

$2^3\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2741}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 310942800

約数和(自身を除く): 172906040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1259, 2518, 2741, 5036, 5482, 6295, 10072, 10964, 12590, 13705, 21928, 25180, 27410, 50360, 54820, 109640, 3450919, 6901838, 13803676, 17254595, 27607352, 34509190, 69018380, 138036760]

約数ペア:

[(1, 138036760), (2, 69018380), (4, 34509190), (5, 27607352), (8, 17254595), (10, 13803676), (20, 6901838), (40, 3450919), (1259, 109640), (2518, 54820), (2741, 50360), (5036, 27410), (5482, 25180), (6295, 21928), (10072, 13705), (10964, 12590)]