180376040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{346877}}^1$

素因数の和:346901

約数の個数: 32

約数和(自身を含む): 437066280

約数和(自身を除く): 256690240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 346877, 693754, 1387508, 1734385, 2775016, 3468770, 4509401, 6937540, 9018802, 13875080, 18037604, 22547005, 36075208, 45094010, 90188020, 180376040]

約数ペア:

[(1, 180376040), (2, 90188020), (4, 45094010), (5, 36075208), (8, 22547005), (10, 18037604), (13, 13875080), (20, 9018802), (26, 6937540), (40, 4509401), (52, 3468770), (65, 2775016), (104, 1734385), (130, 1387508), (260, 693754), (520, 346877)]