68122420

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{4987}}^1$

素因数の和:5679

約数の個数: 24

約数和(自身を含む): 143295264

約数和(自身を除く): 75172844

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 4987, 6830, 9974, 13660, 19948, 24935, 49870, 99740, 3406121, 6812242, 13624484, 17030605, 34061210, 68122420]

約数ペア:

[(1, 68122420), (2, 34061210), (4, 17030605), (5, 13624484), (10, 6812242), (20, 3406121), (683, 99740), (1366, 49870), (2732, 24935), (3415, 19948), (4987, 13660), (6830, 9974)]