25868740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14533}}^1$

素因数の和:14631

約数の個数: 24

約数和(自身を含む): 54938520

約数和(自身を除く): 29069780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14533, 29066, 58132, 72665, 145330, 290660, 1293437, 2586874, 5173748, 6467185, 12934370, 25868740]

約数ペア:

[(1, 25868740), (2, 12934370), (4, 6467185), (5, 5173748), (10, 2586874), (20, 1293437), (89, 290660), (178, 145330), (356, 72665), (445, 58132), (890, 29066), (1780, 14533)]