40067720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13009}}^1$

素因数の和:13038

約数の個数: 64

約数和(自身を含む): 112406400

約数和(自身を除く): 72338680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 13009, 26018, 52036, 65045, 91063, 104072, 130090, 143099, 182126, 260180, 286198, 364252, 455315, 520360, 572396, 715495, 728504, 910630, 1001693, 1144792, 1430990, 1821260, 2003386, 2861980, 3642520, 4006772, 5008465, 5723960, 8013544, 10016930, 20033860, 40067720]

約数ペア:

[(1, 40067720), (2, 20033860), (4, 10016930), (5, 8013544), (7, 5723960), (8, 5008465), (10, 4006772), (11, 3642520), (14, 2861980), (20, 2003386), (22, 1821260), (28, 1430990), (35, 1144792), (40, 1001693), (44, 910630), (55, 728504), (56, 715495), (70, 572396), (77, 520360), (88, 455315), (110, 364252), (140, 286198), (154, 260180), (220, 182126), (280, 143099), (308, 130090), (385, 104072), (440, 91063), (616, 65045), (770, 52036), (1540, 26018), (3080, 13009)]