40365520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 103899600

約数和(自身を除く): 63534080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1049, 1480, 1924, 2098, 2405, 2960, 3848, 4196, 4810, 5245, 7696, 8392, 9620, 10490, 13637, 16784, 19240, 20980, 27274, 38480, 38813, 41960, 54548, 68185, 77626, 83920, 109096, 136370, 155252, 194065, 218192, 272740, 310504, 388130, 504569, 545480, 621008, 776260, 1009138, 1090960, 1552520, 2018276, 2522845, 3105040, 4036552, 5045690, 8073104, 10091380, 20182760, 40365520]

約数ペア:

[(1, 40365520), (2, 20182760), (4, 10091380), (5, 8073104), (8, 5045690), (10, 4036552), (13, 3105040), (16, 2522845), (20, 2018276), (26, 1552520), (37, 1090960), (40, 1009138), (52, 776260), (65, 621008), (74, 545480), (80, 504569), (104, 388130), (130, 310504), (148, 272740), (185, 218192), (208, 194065), (260, 155252), (296, 136370), (370, 109096), (481, 83920), (520, 77626), (592, 68185), (740, 54548), (962, 41960), (1040, 38813), (1049, 38480), (1480, 27274), (1924, 20980), (2098, 19240), (2405, 16784), (2960, 13637), (3848, 10490), (4196, 9620), (4810, 8392), (5245, 7696)]