2021855650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{19469}}^1$

素因数の和:19579

約数の個数: 48

約数和(自身を含む): 3940104960

約数和(自身を除く): 1918249310

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 67, 134, 155, 310, 335, 670, 775, 1550, 1675, 2077, 3350, 4154, 10385, 19469, 20770, 38938, 51925, 97345, 103850, 194690, 486725, 603539, 973450, 1207078, 1304423, 2608846, 3017695, 6035390, 6522115, 13044230, 15088475, 30176950, 32610575, 40437113, 65221150, 80874226, 202185565, 404371130, 1010927825, 2021855650]

約数ペア:

[(1, 2021855650), (2, 1010927825), (5, 404371130), (10, 202185565), (25, 80874226), (31, 65221150), (50, 40437113), (62, 32610575), (67, 30176950), (134, 15088475), (155, 13044230), (310, 6522115), (335, 6035390), (670, 3017695), (775, 2608846), (1550, 1304423), (1675, 1207078), (2077, 973450), (3350, 603539), (4154, 486725), (10385, 194690), (19469, 103850), (20770, 97345), (38938, 51925)]