121632520

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{7817}}^1$

素因数の和:8217

約数の個数: 32

約数和(自身を含む): 274411800

約数和(自身を除く): 152779280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 7817, 15560, 15634, 31268, 39085, 62536, 78170, 156340, 312680, 3040813, 6081626, 12163252, 15204065, 24326504, 30408130, 60816260, 121632520]

約数ペア:

[(1, 121632520), (2, 60816260), (4, 30408130), (5, 24326504), (8, 15204065), (10, 12163252), (20, 6081626), (40, 3040813), (389, 312680), (778, 156340), (1556, 78170), (1945, 62536), (3112, 39085), (3890, 31268), (7780, 15634), (7817, 15560)]