165787840

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7297}}^1$

素因数の和:7385

約数の個数: 56

約数和(自身を含む): 400397472

約数和(自身を除く): 234609632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 7297, 11360, 14594, 22720, 29188, 36485, 58376, 72970, 116752, 145940, 233504, 291880, 467008, 518087, 583760, 1036174, 1167520, 2072348, 2335040, 2590435, 4144696, 5180870, 8289392, 10361740, 16578784, 20723480, 33157568, 41446960, 82893920, 165787840]

約数ペア:

[(1, 165787840), (2, 82893920), (4, 41446960), (5, 33157568), (8, 20723480), (10, 16578784), (16, 10361740), (20, 8289392), (32, 5180870), (40, 4144696), (64, 2590435), (71, 2335040), (80, 2072348), (142, 1167520), (160, 1036174), (284, 583760), (320, 518087), (355, 467008), (568, 291880), (710, 233504), (1136, 145940), (1420, 116752), (2272, 72970), (2840, 58376), (4544, 36485), (5680, 29188), (7297, 22720), (11360, 14594)]