28050100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21577}}^1$

素因数の和:21604

約数の個数: 36

約数和(自身を含む): 65553964

約数和(自身を除く): 37503864

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21577, 43154, 86308, 107885, 215770, 280501, 431540, 539425, 561002, 1078850, 1122004, 1402505, 2157700, 2805010, 5610020, 7012525, 14025050, 28050100]

約数ペア:

[(1, 28050100), (2, 14025050), (4, 7012525), (5, 5610020), (10, 2805010), (13, 2157700), (20, 1402505), (25, 1122004), (26, 1078850), (50, 561002), (52, 539425), (65, 431540), (100, 280501), (130, 215770), (260, 107885), (325, 86308), (650, 43154), (1300, 21577)]