51833480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 120960000

約数和(自身を除く): 69126520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 349, 376, 395, 470, 632, 698, 790, 940, 1396, 1580, 1745, 1880, 2792, 3160, 3490, 3713, 6980, 7426, 13960, 14852, 16403, 18565, 27571, 29704, 32806, 37130, 55142, 65612, 74260, 82015, 110284, 131224, 137855, 148520, 164030, 220568, 275710, 328060, 551420, 656120, 1102840, 1295837, 2591674, 5183348, 6479185, 10366696, 12958370, 25916740, 51833480]

約数ペア:

[(1, 51833480), (2, 25916740), (4, 12958370), (5, 10366696), (8, 6479185), (10, 5183348), (20, 2591674), (40, 1295837), (47, 1102840), (79, 656120), (94, 551420), (158, 328060), (188, 275710), (235, 220568), (316, 164030), (349, 148520), (376, 137855), (395, 131224), (470, 110284), (632, 82015), (698, 74260), (790, 65612), (940, 55142), (1396, 37130), (1580, 32806), (1745, 29704), (1880, 27571), (2792, 18565), (3160, 16403), (3490, 14852), (3713, 13960), (6980, 7426)]