40739984

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 80828160

約数和(自身を除く): 40088176

約数列:

[1, 2, 4, 8, 16, 79, 158, 167, 193, 316, 334, 386, 632, 668, 772, 1264, 1336, 1544, 2672, 3088, 13193, 15247, 26386, 30494, 32231, 52772, 60988, 64462, 105544, 121976, 128924, 211088, 243952, 257848, 515696, 2546249, 5092498, 10184996, 20369992, 40739984]

約数ペア:

[(1, 40739984), (2, 20369992), (4, 10184996), (8, 5092498), (16, 2546249), (79, 515696), (158, 257848), (167, 243952), (193, 211088), (316, 128924), (334, 121976), (386, 105544), (632, 64462), (668, 60988), (772, 52772), (1264, 32231), (1336, 30494), (1544, 26386), (2672, 15247), (3088, 13193)]