85981160

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1721}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 193725000

約数和(自身を除く): 107743840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 1721, 2498, 3442, 4996, 6245, 6884, 8605, 9992, 12490, 13768, 17210, 24980, 34420, 49960, 68840, 2149529, 4299058, 8598116, 10747645, 17196232, 21495290, 42990580, 85981160]

約数ペア:

[(1, 85981160), (2, 42990580), (4, 21495290), (5, 17196232), (8, 10747645), (10, 8598116), (20, 4299058), (40, 2149529), (1249, 68840), (1721, 49960), (2498, 34420), (3442, 24980), (4996, 17210), (6245, 13768), (6884, 12490), (8605, 9992)]