51638680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 127643040

約数和(自身を除く): 76004360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 41, 46, 74, 82, 92, 115, 148, 164, 184, 185, 205, 230, 296, 328, 370, 410, 460, 740, 820, 851, 920, 943, 1369, 1480, 1517, 1640, 1702, 1886, 2738, 3034, 3404, 3772, 4255, 4715, 5476, 6068, 6808, 6845, 7544, 7585, 8510, 9430, 10952, 12136, 13690, 15170, 17020, 18860, 27380, 30340, 31487, 34040, 34891, 37720, 54760, 56129, 60680, 62974, 69782, 112258, 125948, 139564, 157435, 174455, 224516, 251896, 279128, 280645, 314870, 348910, 449032, 561290, 629740, 697820, 1122580, 1259480, 1290967, 1395640, 2245160, 2581934, 5163868, 6454835, 10327736, 12909670, 25819340, 51638680]

約数ペア:

[(1, 51638680), (2, 25819340), (4, 12909670), (5, 10327736), (8, 6454835), (10, 5163868), (20, 2581934), (23, 2245160), (37, 1395640), (40, 1290967), (41, 1259480), (46, 1122580), (74, 697820), (82, 629740), (92, 561290), (115, 449032), (148, 348910), (164, 314870), (184, 280645), (185, 279128), (205, 251896), (230, 224516), (296, 174455), (328, 157435), (370, 139564), (410, 125948), (460, 112258), (740, 69782), (820, 62974), (851, 60680), (920, 56129), (943, 54760), (1369, 37720), (1480, 34891), (1517, 34040), (1640, 31487), (1702, 30340), (1886, 27380), (2738, 18860), (3034, 17020), (3404, 15170), (3772, 13690), (4255, 12136), (4715, 10952), (5476, 9430), (6068, 8510), (6808, 7585), (6845, 7544)]