12126250

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 40

約数和(自身を含む): 23195700

約数和(自身を除く): 11069450

約数列:

[1, 2, 5, 10, 25, 50, 89, 109, 125, 178, 218, 250, 445, 545, 625, 890, 1090, 1250, 2225, 2725, 4450, 5450, 9701, 11125, 13625, 19402, 22250, 27250, 48505, 55625, 68125, 97010, 111250, 136250, 242525, 485050, 1212625, 2425250, 6063125, 12126250]

約数ペア:

[(1, 12126250), (2, 6063125), (5, 2425250), (10, 1212625), (25, 485050), (50, 242525), (89, 136250), (109, 111250), (125, 97010), (178, 68125), (218, 55625), (250, 48505), (445, 27250), (545, 22250), (625, 19402), (890, 13625), (1090, 11125), (1250, 9701), (2225, 5450), (2725, 4450)]