8780090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4201}}^1$

素因数の和:4238

約数の個数: 32

約数和(自身を含む): 18152640

約数和(自身を除く): 9372550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 4201, 8402, 21005, 42010, 46211, 79819, 92422, 159638, 231055, 399095, 462110, 798190, 878009, 1756018, 4390045, 8780090]

約数ペア:

[(1, 8780090), (2, 4390045), (5, 1756018), (10, 878009), (11, 798190), (19, 462110), (22, 399095), (38, 231055), (55, 159638), (95, 92422), (110, 79819), (190, 46211), (209, 42010), (418, 21005), (1045, 8402), (2090, 4201)]