31833320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 74569680

約数和(自身を除く): 42736360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 137, 148, 157, 185, 274, 296, 314, 370, 548, 628, 685, 740, 785, 1096, 1256, 1370, 1480, 1570, 2740, 3140, 5069, 5480, 5809, 6280, 10138, 11618, 20276, 21509, 23236, 25345, 29045, 40552, 43018, 46472, 50690, 58090, 86036, 101380, 107545, 116180, 172072, 202760, 215090, 232360, 430180, 795833, 860360, 1591666, 3183332, 3979165, 6366664, 7958330, 15916660, 31833320]

約数ペア:

[(1, 31833320), (2, 15916660), (4, 7958330), (5, 6366664), (8, 3979165), (10, 3183332), (20, 1591666), (37, 860360), (40, 795833), (74, 430180), (137, 232360), (148, 215090), (157, 202760), (185, 172072), (274, 116180), (296, 107545), (314, 101380), (370, 86036), (548, 58090), (628, 50690), (685, 46472), (740, 43018), (785, 40552), (1096, 29045), (1256, 25345), (1370, 23236), (1480, 21509), (1570, 20276), (2740, 11618), (3140, 10138), (5069, 6280), (5480, 5809)]