2019207040

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{17431}}^1$

素因数の和:17631

約数の個数: 64

約数和(自身を含む): 4854114720

約数和(自身を除く): 2834907680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 640, 724, 905, 1448, 1810, 2896, 3620, 5792, 7240, 11584, 14480, 17431, 23168, 28960, 34862, 57920, 69724, 87155, 115840, 139448, 174310, 278896, 348620, 557792, 697240, 1115584, 1394480, 2231168, 2788960, 3155011, 5577920, 6310022, 11155840, 12620044, 15775055, 25240088, 31550110, 50480176, 63100220, 100960352, 126200440, 201920704, 252400880, 403841408, 504801760, 1009603520, 2019207040]

約数ペア:

[(1, 2019207040), (2, 1009603520), (4, 504801760), (5, 403841408), (8, 252400880), (10, 201920704), (16, 126200440), (20, 100960352), (32, 63100220), (40, 50480176), (64, 31550110), (80, 25240088), (128, 15775055), (160, 12620044), (181, 11155840), (320, 6310022), (362, 5577920), (640, 3155011), (724, 2788960), (905, 2231168), (1448, 1394480), (1810, 1115584), (2896, 697240), (3620, 557792), (5792, 348620), (7240, 278896), (11584, 174310), (14480, 139448), (17431, 115840), (23168, 87155), (28960, 69724), (34862, 57920)]