28524020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2791}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 69420288

約数和(自身を除く): 40896268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 2791, 5110, 5582, 10220, 11164, 13955, 19537, 27910, 39074, 55820, 78148, 97685, 195370, 203743, 390740, 407486, 814972, 1018715, 1426201, 2037430, 2852402, 4074860, 5704804, 7131005, 14262010, 28524020]

約数ペア:

[(1, 28524020), (2, 14262010), (4, 7131005), (5, 5704804), (7, 4074860), (10, 2852402), (14, 2037430), (20, 1426201), (28, 1018715), (35, 814972), (70, 407486), (73, 390740), (140, 203743), (146, 195370), (292, 97685), (365, 78148), (511, 55820), (730, 39074), (1022, 27910), (1460, 19537), (2044, 13955), (2555, 11164), (2791, 10220), (5110, 5582)]