64913900

素因数分解:

$2^2\times 5^2\times {\mathrm{563}}^1\times {\mathrm{1153}}^1$

素因数の和:1730

約数の個数: 36

約数和(自身を含む): 141235752

約数和(自身を除く): 76321852

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 563, 1126, 1153, 2252, 2306, 2815, 4612, 5630, 5765, 11260, 11530, 14075, 23060, 28150, 28825, 56300, 57650, 115300, 649139, 1298278, 2596556, 3245695, 6491390, 12982780, 16228475, 32456950, 64913900]

約数ペア:

[(1, 64913900), (2, 32456950), (4, 16228475), (5, 12982780), (10, 6491390), (20, 3245695), (25, 2596556), (50, 1298278), (100, 649139), (563, 115300), (1126, 57650), (1153, 56300), (2252, 28825), (2306, 28150), (2815, 23060), (4612, 14075), (5630, 11530), (5765, 11260)]