25616090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 47329920

約数和(自身を除く): 21713830

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 331, 355, 545, 662, 710, 1090, 1655, 3310, 7739, 15478, 23501, 36079, 38695, 47002, 72158, 77390, 117505, 180395, 235010, 360790, 2561609, 5123218, 12808045, 25616090]

約数ペア:

[(1, 25616090), (2, 12808045), (5, 5123218), (10, 2561609), (71, 360790), (109, 235010), (142, 180395), (218, 117505), (331, 77390), (355, 72158), (545, 47002), (662, 38695), (710, 36079), (1090, 23501), (1655, 15478), (3310, 7739)]