39828640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 100154880

約数和(自身を除く): 60326240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 79, 80, 92, 115, 137, 158, 160, 184, 230, 274, 316, 368, 395, 460, 548, 632, 685, 736, 790, 920, 1096, 1264, 1370, 1580, 1817, 1840, 2192, 2528, 2740, 3151, 3160, 3634, 3680, 4384, 5480, 6302, 6320, 7268, 9085, 10823, 10960, 12604, 12640, 14536, 15755, 18170, 21646, 21920, 25208, 29072, 31510, 36340, 43292, 50416, 54115, 58144, 63020, 72680, 86584, 100832, 108230, 126040, 145360, 173168, 216460, 248929, 252080, 290720, 346336, 432920, 497858, 504160, 865840, 995716, 1244645, 1731680, 1991432, 2489290, 3982864, 4978580, 7965728, 9957160, 19914320, 39828640]

約数ペア:

[(1, 39828640), (2, 19914320), (4, 9957160), (5, 7965728), (8, 4978580), (10, 3982864), (16, 2489290), (20, 1991432), (23, 1731680), (32, 1244645), (40, 995716), (46, 865840), (79, 504160), (80, 497858), (92, 432920), (115, 346336), (137, 290720), (158, 252080), (160, 248929), (184, 216460), (230, 173168), (274, 145360), (316, 126040), (368, 108230), (395, 100832), (460, 86584), (548, 72680), (632, 63020), (685, 58144), (736, 54115), (790, 50416), (920, 43292), (1096, 36340), (1264, 31510), (1370, 29072), (1580, 25208), (1817, 21920), (1840, 21646), (2192, 18170), (2528, 15755), (2740, 14536), (3151, 12640), (3160, 12604), (3634, 10960), (3680, 10823), (4384, 9085), (5480, 7268), (6302, 6320)]