18200650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28001}}^1$

素因数の和:28026

約数の個数: 24

約数和(自身を含む): 36458604

約数和(自身を除く): 18257954

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28001, 56002, 140005, 280010, 364013, 700025, 728026, 1400050, 1820065, 3640130, 9100325, 18200650]

約数ペア:

[(1, 18200650), (2, 9100325), (5, 3640130), (10, 1820065), (13, 1400050), (25, 728026), (26, 700025), (50, 364013), (65, 280010), (130, 140005), (325, 56002), (650, 28001)]