12472400

素因数分解:

$2^4\times 5^2\times {\mathrm{31181}}^1$

素因数の和:31199

約数の個数: 30

約数和(自身を含む): 29965902

約数和(自身を除く): 17493502

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31181, 62362, 124724, 155905, 249448, 311810, 498896, 623620, 779525, 1247240, 1559050, 2494480, 3118100, 6236200, 12472400]

約数ペア:

[(1, 12472400), (2, 6236200), (4, 3118100), (5, 2494480), (8, 1559050), (10, 1247240), (16, 779525), (20, 623620), (25, 498896), (40, 311810), (50, 249448), (80, 155905), (100, 124724), (200, 62362), (400, 31181)]