19922080

素因数分解:

$2^5\times 5^1\times {\mathrm{124513}}^1$

素因数の和:124528

約数の個数: 24

約数和(自身を含む): 47066292

約数和(自身を除く): 27144212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124513, 249026, 498052, 622565, 996104, 1245130, 1992208, 2490260, 3984416, 4980520, 9961040, 19922080]

約数ペア:

[(1, 19922080), (2, 9961040), (4, 4980520), (5, 3984416), (8, 2490260), (10, 1992208), (16, 1245130), (20, 996104), (32, 622565), (40, 498052), (80, 249026), (160, 124513)]