9865520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 26664960

約数和(自身を除く): 16799440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 223, 280, 316, 395, 446, 553, 560, 632, 790, 892, 1106, 1115, 1264, 1561, 1580, 1784, 2212, 2230, 2765, 3122, 3160, 3568, 4424, 4460, 5530, 6244, 6320, 7805, 8848, 8920, 11060, 12488, 15610, 17617, 17840, 22120, 24976, 31220, 35234, 44240, 62440, 70468, 88085, 123319, 124880, 140936, 176170, 246638, 281872, 352340, 493276, 616595, 704680, 986552, 1233190, 1409360, 1973104, 2466380, 4932760, 9865520]

約数ペア:

[(1, 9865520), (2, 4932760), (4, 2466380), (5, 1973104), (7, 1409360), (8, 1233190), (10, 986552), (14, 704680), (16, 616595), (20, 493276), (28, 352340), (35, 281872), (40, 246638), (56, 176170), (70, 140936), (79, 124880), (80, 123319), (112, 88085), (140, 70468), (158, 62440), (223, 44240), (280, 35234), (316, 31220), (395, 24976), (446, 22120), (553, 17840), (560, 17617), (632, 15610), (790, 12488), (892, 11060), (1106, 8920), (1115, 8848), (1264, 7805), (1561, 6320), (1580, 6244), (1784, 5530), (2212, 4460), (2230, 4424), (2765, 3568), (3122, 3160)]