51823940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11941}}^1$

素因数の和:11988

約数の個数: 48

約数和(自身を含む): 128400384

約数和(自身を除く): 76576444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 11941, 23882, 47764, 59705, 83587, 119410, 167174, 238820, 334348, 370171, 417935, 740342, 835870, 1480684, 1671740, 1850855, 2591197, 3701710, 5182394, 7403420, 10364788, 12955985, 25911970, 51823940]

約数ペア:

[(1, 51823940), (2, 25911970), (4, 12955985), (5, 10364788), (7, 7403420), (10, 5182394), (14, 3701710), (20, 2591197), (28, 1850855), (31, 1671740), (35, 1480684), (62, 835870), (70, 740342), (124, 417935), (140, 370171), (155, 334348), (217, 238820), (310, 167174), (434, 119410), (620, 83587), (868, 59705), (1085, 47764), (2170, 23882), (4340, 11941)]