12461840

素因数分解:

$2^4\times 5^1\times {\mathrm{155773}}^1$

素因数の和:155786

約数の個数: 20

約数和(自身を含む): 28973964

約数和(自身を除く): 16512124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155773, 311546, 623092, 778865, 1246184, 1557730, 2492368, 3115460, 6230920, 12461840]

約数ペア:

[(1, 12461840), (2, 6230920), (4, 3115460), (5, 2492368), (8, 1557730), (10, 1246184), (16, 778865), (20, 623092), (40, 311546), (80, 155773)]