208039520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100019}}^1$

素因数の和:100047

約数の個数: 48

約数和(自身を含む): 529305840

約数和(自身を除く): 321266320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 100019, 200038, 400076, 500095, 800152, 1000190, 1300247, 1600304, 2000380, 2600494, 3200608, 4000760, 5200988, 6501235, 8001520, 10401976, 13002470, 16003040, 20803952, 26004940, 41607904, 52009880, 104019760, 208039520]

約数ペア:

[(1, 208039520), (2, 104019760), (4, 52009880), (5, 41607904), (8, 26004940), (10, 20803952), (13, 16003040), (16, 13002470), (20, 10401976), (26, 8001520), (32, 6501235), (40, 5200988), (52, 4000760), (65, 3200608), (80, 2600494), (104, 2000380), (130, 1600304), (160, 1300247), (208, 1000190), (260, 800152), (416, 500095), (520, 400076), (1040, 200038), (2080, 100019)]