7901240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3727}}^1$

素因数の和:3791

約数の個数: 32

約数和(自身を含む): 18118080

約数和(自身を除く): 10216840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3727, 7454, 14908, 18635, 29816, 37270, 74540, 149080, 197531, 395062, 790124, 987655, 1580248, 1975310, 3950620, 7901240]

約数ペア:

[(1, 7901240), (2, 3950620), (4, 1975310), (5, 1580248), (8, 987655), (10, 790124), (20, 395062), (40, 197531), (53, 149080), (106, 74540), (212, 37270), (265, 29816), (424, 18635), (530, 14908), (1060, 7454), (2120, 3727)]