40682480

素因数分解:

$2^4\times 5^1\times {\mathrm{508531}}^1$

素因数の和:508544

約数の個数: 20

約数和(自身を含む): 94586952

約数和(自身を除く): 53904472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508531, 1017062, 2034124, 2542655, 4068248, 5085310, 8136496, 10170620, 20341240, 40682480]

約数ペア:

[(1, 40682480), (2, 20341240), (4, 10170620), (5, 8136496), (8, 5085310), (10, 4068248), (16, 2542655), (20, 2034124), (40, 1017062), (80, 508531)]