40451984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{87181}}^1$

素因数の和:87218

約数の個数: 20

約数和(自身を含む): 81079260

約数和(自身を除く): 40627276

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 87181, 174362, 348724, 697448, 1394896, 2528249, 5056498, 10112996, 20225992, 40451984]

約数ペア:

[(1, 40451984), (2, 20225992), (4, 10112996), (8, 5056498), (16, 2528249), (29, 1394896), (58, 697448), (116, 348724), (232, 174362), (464, 87181)]