28264880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2969}}^1$

素因数の和:3006

約数の個数: 80

約数和(自身を含む): 79548480

約数和(自身を除く): 51283600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 2969, 4760, 5938, 9520, 11876, 14845, 20783, 23752, 29690, 41566, 47504, 50473, 59380, 83132, 100946, 103915, 118760, 166264, 201892, 207830, 237520, 252365, 332528, 353311, 403784, 415660, 504730, 706622, 807568, 831320, 1009460, 1413244, 1662640, 1766555, 2018920, 2826488, 3533110, 4037840, 5652976, 7066220, 14132440, 28264880]

約数ペア:

[(1, 28264880), (2, 14132440), (4, 7066220), (5, 5652976), (7, 4037840), (8, 3533110), (10, 2826488), (14, 2018920), (16, 1766555), (17, 1662640), (20, 1413244), (28, 1009460), (34, 831320), (35, 807568), (40, 706622), (56, 504730), (68, 415660), (70, 403784), (80, 353311), (85, 332528), (112, 252365), (119, 237520), (136, 207830), (140, 201892), (170, 166264), (238, 118760), (272, 103915), (280, 100946), (340, 83132), (476, 59380), (560, 50473), (595, 47504), (680, 41566), (952, 29690), (1190, 23752), (1360, 20783), (1904, 14845), (2380, 11876), (2969, 9520), (4760, 5938)]