83771440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15629}}^1$

素因数の和:15709

約数の個数: 40

約数和(自身を含む): 197688240

約数和(自身を除く): 113916800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 15629, 31258, 62516, 78145, 125032, 156290, 250064, 312580, 625160, 1047143, 1250320, 2094286, 4188572, 5235715, 8377144, 10471430, 16754288, 20942860, 41885720, 83771440]

約数ペア:

[(1, 83771440), (2, 41885720), (4, 20942860), (5, 16754288), (8, 10471430), (10, 8377144), (16, 5235715), (20, 4188572), (40, 2094286), (67, 1250320), (80, 1047143), (134, 625160), (268, 312580), (335, 250064), (536, 156290), (670, 125032), (1072, 78145), (1340, 62516), (2680, 31258), (5360, 15629)]