788947520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79531}}^1$

素因数の和:79579

約数の個数: 56

約数和(自身を含む): 1939308288

約数和(自身を除く): 1150360768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 79531, 159062, 318124, 397655, 636248, 795310, 1272496, 1590620, 2465461, 2544992, 3181240, 4930922, 5089984, 6362480, 9861844, 12327305, 12724960, 19723688, 24654610, 25449920, 39447376, 49309220, 78894752, 98618440, 157789504, 197236880, 394473760, 788947520]

約数ペア:

[(1, 788947520), (2, 394473760), (4, 197236880), (5, 157789504), (8, 98618440), (10, 78894752), (16, 49309220), (20, 39447376), (31, 25449920), (32, 24654610), (40, 19723688), (62, 12724960), (64, 12327305), (80, 9861844), (124, 6362480), (155, 5089984), (160, 4930922), (248, 3181240), (310, 2544992), (320, 2465461), (496, 1590620), (620, 1272496), (992, 795310), (1240, 636248), (1984, 397655), (2480, 318124), (4960, 159062), (9920, 79531)]