252760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 583200

約数和(自身を除く): 330440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 142, 178, 284, 355, 356, 445, 568, 710, 712, 890, 1420, 1780, 2840, 3560, 6319, 12638, 25276, 31595, 50552, 63190, 126380, 252760]

約数ペア:

[(1, 252760), (2, 126380), (4, 63190), (5, 50552), (8, 31595), (10, 25276), (20, 12638), (40, 6319), (71, 3560), (89, 2840), (142, 1780), (178, 1420), (284, 890), (355, 712), (356, 710), (445, 568)]