12466280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 17773720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 349, 376, 380, 470, 698, 760, 893, 940, 1396, 1745, 1786, 1880, 2792, 3490, 3572, 4465, 6631, 6980, 7144, 8930, 13262, 13960, 16403, 17860, 26524, 32806, 33155, 35720, 53048, 65612, 66310, 82015, 131224, 132620, 164030, 265240, 311657, 328060, 623314, 656120, 1246628, 1558285, 2493256, 3116570, 6233140, 12466280]

約数ペア:

[(1, 12466280), (2, 6233140), (4, 3116570), (5, 2493256), (8, 1558285), (10, 1246628), (19, 656120), (20, 623314), (38, 328060), (40, 311657), (47, 265240), (76, 164030), (94, 132620), (95, 131224), (152, 82015), (188, 66310), (190, 65612), (235, 53048), (349, 35720), (376, 33155), (380, 32806), (470, 26524), (698, 17860), (760, 16403), (893, 13960), (940, 13262), (1396, 8930), (1745, 7144), (1786, 6980), (1880, 6631), (2792, 4465), (3490, 3572)]