207234880

素因数分解:

$2^6\times 5^1\times {\mathrm{647609}}^1$

素因数の和:647626

約数の個数: 28

約数和(自身を含む): 493478820

約数和(自身を除く): 286243940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 647609, 1295218, 2590436, 3238045, 5180872, 6476090, 10361744, 12952180, 20723488, 25904360, 41446976, 51808720, 103617440, 207234880]

約数ペア:

[(1, 207234880), (2, 103617440), (4, 51808720), (5, 41446976), (8, 25904360), (10, 20723488), (16, 12952180), (20, 10361744), (32, 6476090), (40, 5180872), (64, 3238045), (80, 2590436), (160, 1295218), (320, 647609)]