128796560

素因数分解:

$2^4\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1733}}^1$

素因数の和:2675

約数の個数: 40

約数和(自身を含む): 299947320

約数和(自身を除く): 171150760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 929, 1733, 1858, 3466, 3716, 4645, 6932, 7432, 8665, 9290, 13864, 14864, 17330, 18580, 27728, 34660, 37160, 69320, 74320, 138640, 1609957, 3219914, 6439828, 8049785, 12879656, 16099570, 25759312, 32199140, 64398280, 128796560]

約数ペア:

[(1, 128796560), (2, 64398280), (4, 32199140), (5, 25759312), (8, 16099570), (10, 12879656), (16, 8049785), (20, 6439828), (40, 3219914), (80, 1609957), (929, 138640), (1733, 74320), (1858, 69320), (3466, 37160), (3716, 34660), (4645, 27728), (6932, 18580), (7432, 17330), (8665, 14864), (9290, 13864)]