28699840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6899}}^1$

素因数の和:6929

約数の個数: 56

約数和(自身を含む): 73609200

約数和(自身を除く): 44909360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 6899, 13798, 27596, 34495, 55192, 68990, 89687, 110384, 137980, 179374, 220768, 275960, 358748, 441536, 448435, 551920, 717496, 896870, 1103840, 1434992, 1793740, 2207680, 2869984, 3587480, 5739968, 7174960, 14349920, 28699840]

約数ペア:

[(1, 28699840), (2, 14349920), (4, 7174960), (5, 5739968), (8, 3587480), (10, 2869984), (13, 2207680), (16, 1793740), (20, 1434992), (26, 1103840), (32, 896870), (40, 717496), (52, 551920), (64, 448435), (65, 441536), (80, 358748), (104, 275960), (130, 220768), (160, 179374), (208, 137980), (260, 110384), (320, 89687), (416, 68990), (520, 55192), (832, 34495), (1040, 27596), (2080, 13798), (4160, 6899)]