68009680

素因数分解:

$2^4\times 5^1\times {\mathrm{850121}}^1$

素因数の和:850134

約数の個数: 20

約数和(自身を含む): 158122692

約数和(自身を除く): 90113012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 850121, 1700242, 3400484, 4250605, 6800968, 8501210, 13601936, 17002420, 34004840, 68009680]

約数ペア:

[(1, 68009680), (2, 34004840), (4, 17002420), (5, 13601936), (8, 8501210), (10, 6800968), (16, 4250605), (20, 3400484), (40, 1700242), (80, 850121)]