55143100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{5059}}^1$

素因数の和:5182

約数の個数: 36

約数和(自身を含む): 120782200

約数和(自身を除く): 65639100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5059, 5450, 10118, 10900, 20236, 25295, 50590, 101180, 126475, 252950, 505900, 551431, 1102862, 2205724, 2757155, 5514310, 11028620, 13785775, 27571550, 55143100]

約数ペア:

[(1, 55143100), (2, 27571550), (4, 13785775), (5, 11028620), (10, 5514310), (20, 2757155), (25, 2205724), (50, 1102862), (100, 551431), (109, 505900), (218, 252950), (436, 126475), (545, 101180), (1090, 50590), (2180, 25295), (2725, 20236), (5059, 10900), (5450, 10118)]