81886250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:732

約数の個数: 40

約数和(自身を含む): 155153460

約数和(自身を除く): 73267210

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 601, 625, 1090, 1202, 1250, 2725, 3005, 5450, 6010, 13625, 15025, 27250, 30050, 65509, 68125, 75125, 131018, 136250, 150250, 327545, 375625, 655090, 751250, 1637725, 3275450, 8188625, 16377250, 40943125, 81886250]

約数ペア:

[(1, 81886250), (2, 40943125), (5, 16377250), (10, 8188625), (25, 3275450), (50, 1637725), (109, 751250), (125, 655090), (218, 375625), (250, 327545), (545, 150250), (601, 136250), (625, 131018), (1090, 75125), (1202, 68125), (1250, 65509), (2725, 30050), (3005, 27250), (5450, 15025), (6010, 13625)]