25902640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^2$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 62254944

約数和(自身を除く): 36352304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 83, 94, 166, 188, 235, 332, 376, 415, 470, 664, 752, 830, 940, 1328, 1660, 1880, 3320, 3760, 3901, 6640, 6889, 7802, 13778, 15604, 19505, 27556, 31208, 34445, 39010, 55112, 62416, 68890, 78020, 110224, 137780, 156040, 275560, 312080, 323783, 551120, 647566, 1295132, 1618915, 2590264, 3237830, 5180528, 6475660, 12951320, 25902640]

約数ペア:

[(1, 25902640), (2, 12951320), (4, 6475660), (5, 5180528), (8, 3237830), (10, 2590264), (16, 1618915), (20, 1295132), (40, 647566), (47, 551120), (80, 323783), (83, 312080), (94, 275560), (166, 156040), (188, 137780), (235, 110224), (332, 78020), (376, 68890), (415, 62416), (470, 55112), (664, 39010), (752, 34445), (830, 31208), (940, 27556), (1328, 19505), (1660, 15604), (1880, 13778), (3320, 7802), (3760, 6889), (3901, 6640)]