43550000

素因数分解:

$2^4\times 5^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 115273872

約数和(自身を除く): 71723872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 67, 80, 100, 104, 125, 130, 134, 200, 208, 250, 260, 268, 325, 335, 400, 500, 520, 536, 625, 650, 670, 871, 1000, 1040, 1072, 1250, 1300, 1340, 1625, 1675, 1742, 2000, 2500, 2600, 2680, 3125, 3250, 3350, 3484, 4355, 5000, 5200, 5360, 6250, 6500, 6700, 6968, 8125, 8375, 8710, 10000, 12500, 13000, 13400, 13936, 16250, 16750, 17420, 21775, 25000, 26000, 26800, 32500, 33500, 34840, 40625, 41875, 43550, 50000, 65000, 67000, 69680, 81250, 83750, 87100, 108875, 130000, 134000, 162500, 167500, 174200, 209375, 217750, 325000, 335000, 348400, 418750, 435500, 544375, 650000, 670000, 837500, 871000, 1088750, 1675000, 1742000, 2177500, 2721875, 3350000, 4355000, 5443750, 8710000, 10887500, 21775000, 43550000]

約数ペア:

[(1, 43550000), (2, 21775000), (4, 10887500), (5, 8710000), (8, 5443750), (10, 4355000), (13, 3350000), (16, 2721875), (20, 2177500), (25, 1742000), (26, 1675000), (40, 1088750), (50, 871000), (52, 837500), (65, 670000), (67, 650000), (80, 544375), (100, 435500), (104, 418750), (125, 348400), (130, 335000), (134, 325000), (200, 217750), (208, 209375), (250, 174200), (260, 167500), (268, 162500), (325, 134000), (335, 130000), (400, 108875), (500, 87100), (520, 83750), (536, 81250), (625, 69680), (650, 67000), (670, 65000), (871, 50000), (1000, 43550), (1040, 41875), (1072, 40625), (1250, 34840), (1300, 33500), (1340, 32500), (1625, 26800), (1675, 26000), (1742, 25000), (2000, 21775), (2500, 17420), (2600, 16750), (2680, 16250), (3125, 13936), (3250, 13400), (3350, 13000), (3484, 12500), (4355, 10000), (5000, 8710), (5200, 8375), (5360, 8125), (6250, 6968), (6500, 6700)]