84991960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57427}}^1$

素因数の和:57475

約数の個数: 32

約数和(自身を含む): 196403760

約数和(自身を除く): 111411800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 57427, 114854, 229708, 287135, 459416, 574270, 1148540, 2124799, 2297080, 4249598, 8499196, 10623995, 16998392, 21247990, 42495980, 84991960]

約数ペア:

[(1, 84991960), (2, 42495980), (4, 21247990), (5, 16998392), (8, 10623995), (10, 8499196), (20, 4249598), (37, 2297080), (40, 2124799), (74, 1148540), (148, 574270), (185, 459416), (296, 287135), (370, 229708), (740, 114854), (1480, 57427)]