84639760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15791}}^1$

素因数の和:15871

約数の個数: 40

約数和(自身を含む): 199737216

約数和(自身を除く): 115097456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 15791, 31582, 63164, 78955, 126328, 157910, 252656, 315820, 631640, 1057997, 1263280, 2115994, 4231988, 5289985, 8463976, 10579970, 16927952, 21159940, 42319880, 84639760]

約数ペア:

[(1, 84639760), (2, 42319880), (4, 21159940), (5, 16927952), (8, 10579970), (10, 8463976), (16, 5289985), (20, 4231988), (40, 2115994), (67, 1263280), (80, 1057997), (134, 631640), (268, 315820), (335, 252656), (536, 157910), (670, 126328), (1072, 78955), (1340, 63164), (2680, 31582), (5360, 15791)]