25836520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6271}}^1$

素因数の和:6385

約数の個数: 32

約数和(自身を含む): 58705920

約数和(自身を除く): 32869400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6271, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 645913, 1291826, 2583652, 3229565, 5167304, 6459130, 12918260, 25836520]

約数ペア:

[(1, 25836520), (2, 12918260), (4, 6459130), (5, 5167304), (8, 3229565), (10, 2583652), (20, 1291826), (40, 645913), (103, 250840), (206, 125420), (412, 62710), (515, 50168), (824, 31355), (1030, 25084), (2060, 12542), (4120, 6271)]