89667440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{16729}}^1$

素因数の和:16809

約数の個数: 40

約数和(自身を含む): 211601040

約数和(自身を除く): 121933600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 16729, 33458, 66916, 83645, 133832, 167290, 267664, 334580, 669160, 1120843, 1338320, 2241686, 4483372, 5604215, 8966744, 11208430, 17933488, 22416860, 44833720, 89667440]

約数ペア:

[(1, 89667440), (2, 44833720), (4, 22416860), (5, 17933488), (8, 11208430), (10, 8966744), (16, 5604215), (20, 4483372), (40, 2241686), (67, 1338320), (80, 1120843), (134, 669160), (268, 334580), (335, 267664), (536, 167290), (670, 133832), (1072, 83645), (1340, 66916), (2680, 33458), (5360, 16729)]