28377760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10433}}^1$

素因数の和:10465

約数の個数: 48

約数和(自身を含む): 70992936

約数和(自身を除く): 42615176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10433, 20866, 41732, 52165, 83464, 104330, 166928, 177361, 208660, 333856, 354722, 417320, 709444, 834640, 886805, 1418888, 1669280, 1773610, 2837776, 3547220, 5675552, 7094440, 14188880, 28377760]

約数ペア:

[(1, 28377760), (2, 14188880), (4, 7094440), (5, 5675552), (8, 3547220), (10, 2837776), (16, 1773610), (17, 1669280), (20, 1418888), (32, 886805), (34, 834640), (40, 709444), (68, 417320), (80, 354722), (85, 333856), (136, 208660), (160, 177361), (170, 166928), (272, 104330), (340, 83464), (544, 52165), (680, 41732), (1360, 20866), (2720, 10433)]