12951320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^2$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 30123360

約数和(自身を除く): 17172040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 332, 376, 415, 470, 664, 830, 940, 1660, 1880, 3320, 3901, 6889, 7802, 13778, 15604, 19505, 27556, 31208, 34445, 39010, 55112, 68890, 78020, 137780, 156040, 275560, 323783, 647566, 1295132, 1618915, 2590264, 3237830, 6475660, 12951320]

約数ペア:

[(1, 12951320), (2, 6475660), (4, 3237830), (5, 2590264), (8, 1618915), (10, 1295132), (20, 647566), (40, 323783), (47, 275560), (83, 156040), (94, 137780), (166, 78020), (188, 68890), (235, 55112), (332, 39010), (376, 34445), (415, 31208), (470, 27556), (664, 19505), (830, 15604), (940, 13778), (1660, 7802), (1880, 6889), (3320, 3901)]