28052050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 28819310

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 206, 325, 419, 515, 650, 838, 1030, 1339, 2095, 2575, 2678, 4190, 5150, 5447, 6695, 10475, 10894, 13390, 20950, 27235, 33475, 43157, 54470, 66950, 86314, 136175, 215785, 272350, 431570, 561041, 1078925, 1122082, 2157850, 2805205, 5610410, 14026025, 28052050]

約数ペア:

[(1, 28052050), (2, 14026025), (5, 5610410), (10, 2805205), (13, 2157850), (25, 1122082), (26, 1078925), (50, 561041), (65, 431570), (103, 272350), (130, 215785), (206, 136175), (325, 86314), (419, 66950), (515, 54470), (650, 43157), (838, 33475), (1030, 27235), (1339, 20950), (2095, 13390), (2575, 10894), (2678, 10475), (4190, 6695), (5150, 5447)]