25263020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 57062880

約数和(自身を除く): 31799860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1109, 1139, 1340, 2218, 2278, 4436, 4556, 5545, 5695, 11090, 11390, 18853, 22180, 22780, 37706, 74303, 75412, 94265, 148606, 188530, 297212, 371515, 377060, 743030, 1263151, 1486060, 2526302, 5052604, 6315755, 12631510, 25263020]

約数ペア:

[(1, 25263020), (2, 12631510), (4, 6315755), (5, 5052604), (10, 2526302), (17, 1486060), (20, 1263151), (34, 743030), (67, 377060), (68, 371515), (85, 297212), (134, 188530), (170, 148606), (268, 94265), (335, 75412), (340, 74303), (670, 37706), (1109, 22780), (1139, 22180), (1340, 18853), (2218, 11390), (2278, 11090), (4436, 5695), (4556, 5545)]