2681879680

素因数分解:

$2^7\times 5^1\times {\mathrm{811}}^1\times {\mathrm{5167}}^1$

素因数の和:5997

約数の個数: 64

約数和(自身を含む): 6420516480

約数和(自身を除く): 3738636800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 811, 1622, 3244, 4055, 5167, 6488, 8110, 10334, 12976, 16220, 20668, 25835, 25952, 32440, 41336, 51670, 51904, 64880, 82672, 103340, 103808, 129760, 165344, 206680, 259520, 330688, 413360, 519040, 661376, 826720, 1653440, 3306880, 4190437, 8380874, 16761748, 20952185, 33523496, 41904370, 67046992, 83808740, 134093984, 167617480, 268187968, 335234960, 536375936, 670469920, 1340939840, 2681879680]

約数ペア:

[(1, 2681879680), (2, 1340939840), (4, 670469920), (5, 536375936), (8, 335234960), (10, 268187968), (16, 167617480), (20, 134093984), (32, 83808740), (40, 67046992), (64, 41904370), (80, 33523496), (128, 20952185), (160, 16761748), (320, 8380874), (640, 4190437), (811, 3306880), (1622, 1653440), (3244, 826720), (4055, 661376), (5167, 519040), (6488, 413360), (8110, 330688), (10334, 259520), (12976, 206680), (16220, 165344), (20668, 129760), (25835, 103808), (25952, 103340), (32440, 82672), (41336, 64880), (51670, 51904)]