16530920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 43528320

約数和(自身を除く): 26997400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1373, 1505, 1720, 2408, 2746, 3010, 5492, 6020, 6865, 9611, 10984, 12040, 13730, 19222, 27460, 38444, 48055, 54920, 59039, 76888, 96110, 118078, 192220, 236156, 295195, 384440, 413273, 472312, 590390, 826546, 1180780, 1653092, 2066365, 2361560, 3306184, 4132730, 8265460, 16530920]

約数ペア:

[(1, 16530920), (2, 8265460), (4, 4132730), (5, 3306184), (7, 2361560), (8, 2066365), (10, 1653092), (14, 1180780), (20, 826546), (28, 590390), (35, 472312), (40, 413273), (43, 384440), (56, 295195), (70, 236156), (86, 192220), (140, 118078), (172, 96110), (215, 76888), (280, 59039), (301, 54920), (344, 48055), (430, 38444), (602, 27460), (860, 19222), (1204, 13730), (1373, 12040), (1505, 10984), (1720, 9611), (2408, 6865), (2746, 6020), (3010, 5492)]