2013199580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{161573}}^1$

素因数の和:161678

約数の個数: 48

約数和(自身を含む): 4885997760

約数和(自身を除く): 2872798180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 161573, 323146, 646292, 807865, 1131011, 1615730, 2262022, 3231460, 4524044, 5655055, 11310110, 14379997, 22620220, 28759994, 57519988, 71899985, 100659979, 143799970, 201319958, 287599940, 402639916, 503299895, 1006599790, 2013199580]

約数ペア:

[(1, 2013199580), (2, 1006599790), (4, 503299895), (5, 402639916), (7, 287599940), (10, 201319958), (14, 143799970), (20, 100659979), (28, 71899985), (35, 57519988), (70, 28759994), (89, 22620220), (140, 14379997), (178, 11310110), (356, 5655055), (445, 4524044), (623, 3231460), (890, 2262022), (1246, 1615730), (1780, 1131011), (2492, 807865), (3115, 646292), (6230, 323146), (12460, 161573)]