51895840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 132390720

約数和(自身を除く): 80494880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 344, 380, 397, 430, 608, 688, 760, 794, 817, 860, 1376, 1520, 1588, 1634, 1720, 1985, 3040, 3176, 3268, 3440, 3970, 4085, 6352, 6536, 6880, 7543, 7940, 8170, 12704, 13072, 15086, 15880, 16340, 17071, 26144, 30172, 31760, 32680, 34142, 37715, 60344, 63520, 65360, 68284, 75430, 85355, 120688, 130720, 136568, 150860, 170710, 241376, 273136, 301720, 324349, 341420, 546272, 603440, 648698, 682840, 1206880, 1297396, 1365680, 1621745, 2594792, 2731360, 3243490, 5189584, 6486980, 10379168, 12973960, 25947920, 51895840]

約数ペア:

[(1, 51895840), (2, 25947920), (4, 12973960), (5, 10379168), (8, 6486980), (10, 5189584), (16, 3243490), (19, 2731360), (20, 2594792), (32, 1621745), (38, 1365680), (40, 1297396), (43, 1206880), (76, 682840), (80, 648698), (86, 603440), (95, 546272), (152, 341420), (160, 324349), (172, 301720), (190, 273136), (215, 241376), (304, 170710), (344, 150860), (380, 136568), (397, 130720), (430, 120688), (608, 85355), (688, 75430), (760, 68284), (794, 65360), (817, 63520), (860, 60344), (1376, 37715), (1520, 34142), (1588, 32680), (1634, 31760), (1720, 30172), (1985, 26144), (3040, 17071), (3176, 16340), (3268, 15880), (3440, 15086), (3970, 13072), (4085, 12704), (6352, 8170), (6536, 7940), (6880, 7543)]