40984400

素因数分解:

$2^4\times 5^2\times {\mathrm{102461}}^1$

素因数の和:102479

約数の個数: 30

約数和(自身を含む): 98465982

約数和(自身を除く): 57481582

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 102461, 204922, 409844, 512305, 819688, 1024610, 1639376, 2049220, 2561525, 4098440, 5123050, 8196880, 10246100, 20492200, 40984400]

約数ペア:

[(1, 40984400), (2, 20492200), (4, 10246100), (5, 8196880), (8, 5123050), (10, 4098440), (16, 2561525), (20, 2049220), (25, 1639376), (40, 1024610), (50, 819688), (80, 512305), (100, 409844), (200, 204922), (400, 102461)]