38991291280

素因数分解:

$2^4\times 5^1\times {\mathrm{18787}}^1\times {\mathrm{25943}}^1$

素因数の和:44743

約数の個数: 40

約数和(自身を含む): 90663072192

約数和(自身を除く): 51671780912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18787, 25943, 37574, 51886, 75148, 93935, 103772, 129715, 150296, 187870, 207544, 259430, 300592, 375740, 415088, 518860, 751480, 1037720, 1502960, 2075440, 487391141, 974782282, 1949564564, 2436955705, 3899129128, 4873911410, 7798258256, 9747822820, 19495645640, 38991291280]

約数ペア:

[(1, 38991291280), (2, 19495645640), (4, 9747822820), (5, 7798258256), (8, 4873911410), (10, 3899129128), (16, 2436955705), (20, 1949564564), (40, 974782282), (80, 487391141), (18787, 2075440), (25943, 1502960), (37574, 1037720), (51886, 751480), (75148, 518860), (93935, 415088), (103772, 375740), (129715, 300592), (150296, 259430), (187870, 207544)]