81128150

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{22853}}^1$

素因数の和:22936

約数の個数: 24

約数和(自身を含む): 153030384

約数和(自身を除く): 71902234

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 22853, 45706, 114265, 228530, 571325, 1142650, 1622563, 3245126, 8112815, 16225630, 40564075, 81128150]

約数ペア:

[(1, 81128150), (2, 40564075), (5, 16225630), (10, 8112815), (25, 3245126), (50, 1622563), (71, 1142650), (142, 571325), (355, 228530), (710, 114265), (1775, 45706), (3550, 22853)]