39929984

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 85190400

約数和(自身を除く): 45260416

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 128, 232, 248, 347, 464, 496, 694, 899, 928, 992, 1388, 1798, 1856, 1984, 2776, 3596, 3712, 3968, 5552, 7192, 10063, 10757, 11104, 14384, 20126, 21514, 22208, 28768, 40252, 43028, 44416, 57536, 80504, 86056, 115072, 161008, 172112, 311953, 322016, 344224, 623906, 644032, 688448, 1247812, 1288064, 1376896, 2495624, 4991248, 9982496, 19964992, 39929984]

約数ペア:

[(1, 39929984), (2, 19964992), (4, 9982496), (8, 4991248), (16, 2495624), (29, 1376896), (31, 1288064), (32, 1247812), (58, 688448), (62, 644032), (64, 623906), (116, 344224), (124, 322016), (128, 311953), (232, 172112), (248, 161008), (347, 115072), (464, 86056), (496, 80504), (694, 57536), (899, 44416), (928, 43028), (992, 40252), (1388, 28768), (1798, 22208), (1856, 21514), (1984, 20126), (2776, 14384), (3596, 11104), (3712, 10757), (3968, 10063), (5552, 7192)]