25453420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 57945888

約数和(自身を除く): 32492468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 1741, 2924, 3482, 3655, 6964, 7310, 8705, 14620, 17410, 29597, 34820, 59194, 74863, 118388, 147985, 149726, 295970, 299452, 374315, 591940, 748630, 1272671, 1497260, 2545342, 5090684, 6363355, 12726710, 25453420]

約数ペア:

[(1, 25453420), (2, 12726710), (4, 6363355), (5, 5090684), (10, 2545342), (17, 1497260), (20, 1272671), (34, 748630), (43, 591940), (68, 374315), (85, 299452), (86, 295970), (170, 149726), (172, 147985), (215, 118388), (340, 74863), (430, 59194), (731, 34820), (860, 29597), (1462, 17410), (1741, 14620), (2924, 8705), (3482, 7310), (3655, 6964)]