2297641520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263491}}^1$

素因数の和:263613

約数の個数: 40

約数和(自身を含む): 5391046320

約数和(自身を除く): 3093404800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 263491, 526982, 1053964, 1317455, 2107928, 2634910, 4215856, 5269820, 10539640, 21079280, 28720519, 57441038, 114882076, 143602595, 229764152, 287205190, 459528304, 574410380, 1148820760, 2297641520]

約数ペア:

[(1, 2297641520), (2, 1148820760), (4, 574410380), (5, 459528304), (8, 287205190), (10, 229764152), (16, 143602595), (20, 114882076), (40, 57441038), (80, 28720519), (109, 21079280), (218, 10539640), (436, 5269820), (545, 4215856), (872, 2634910), (1090, 2107928), (1744, 1317455), (2180, 1053964), (4360, 526982), (8720, 263491)]