40991992

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{72169}}^1$

素因数の和:72246

約数の個数: 16

約数和(自身を含む): 77943600

約数和(自身を除く): 36951608

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 72169, 144338, 288676, 577352, 5123999, 10247998, 20495996, 40991992]

約数ペア:

[(1, 40991992), (2, 20495996), (4, 10247998), (8, 5123999), (71, 577352), (142, 288676), (284, 144338), (568, 72169)]