214925680

素因数分解:

$2^4\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{2081}}^1$

素因数の和:3385

約数の個数: 40

約数和(自身を含む): 500329584

約数和(自身を除く): 285403904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1291, 2081, 2582, 4162, 5164, 6455, 8324, 10328, 10405, 12910, 16648, 20656, 20810, 25820, 33296, 41620, 51640, 83240, 103280, 166480, 2686571, 5373142, 10746284, 13432855, 21492568, 26865710, 42985136, 53731420, 107462840, 214925680]

約数ペア:

[(1, 214925680), (2, 107462840), (4, 53731420), (5, 42985136), (8, 26865710), (10, 21492568), (16, 13432855), (20, 10746284), (40, 5373142), (80, 2686571), (1291, 166480), (2081, 103280), (2582, 83240), (4162, 51640), (5164, 41620), (6455, 33296), (8324, 25820), (10328, 20810), (10405, 20656), (12910, 16648)]