64919950

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{9341}}^1$

素因数の和:9492

約数の個数: 24

約数和(自身を含む): 121632840

約数和(自身を除く): 56712890

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 9341, 18682, 46705, 93410, 233525, 467050, 1298399, 2596798, 6491995, 12983990, 32459975, 64919950]

約数ペア:

[(1, 64919950), (2, 32459975), (5, 12983990), (10, 6491995), (25, 2596798), (50, 1298399), (139, 467050), (278, 233525), (695, 93410), (1390, 46705), (3475, 18682), (6950, 9341)]