920807680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55337}}^1$

素因数の和:55371

約数の個数: 72

約数和(自身を含む): 2375328312

約数和(自身を除く): 1454520632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 55337, 110674, 221348, 276685, 442696, 553370, 719381, 885392, 1106740, 1438762, 1770784, 2213480, 2877524, 3541568, 3596905, 4426960, 5755048, 7083136, 7193810, 8853920, 11510096, 14166272, 14387620, 17707840, 23020192, 28775240, 35415680, 46040384, 57550480, 70831360, 92080768, 115100960, 184161536, 230201920, 460403840, 920807680]

約数ペア:

[(1, 920807680), (2, 460403840), (4, 230201920), (5, 184161536), (8, 115100960), (10, 92080768), (13, 70831360), (16, 57550480), (20, 46040384), (26, 35415680), (32, 28775240), (40, 23020192), (52, 17707840), (64, 14387620), (65, 14166272), (80, 11510096), (104, 8853920), (128, 7193810), (130, 7083136), (160, 5755048), (208, 4426960), (256, 3596905), (260, 3541568), (320, 2877524), (416, 2213480), (520, 1770784), (640, 1438762), (832, 1106740), (1040, 885392), (1280, 719381), (1664, 553370), (2080, 442696), (3328, 276685), (4160, 221348), (8320, 110674), (16640, 55337)]