2080890790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{126961}}^1$

素因数の和:127128

約数の個数: 32

約数和(自身を含む): 4113568800

約数和(自身を除く): 2032678010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1490, 1639, 3278, 8195, 16390, 126961, 253922, 634805, 1269610, 1396571, 2793142, 6982855, 13965710, 18917189, 37834378, 94585945, 189171890, 208089079, 416178158, 1040445395, 2080890790]

約数ペア:

[(1, 2080890790), (2, 1040445395), (5, 416178158), (10, 208089079), (11, 189171890), (22, 94585945), (55, 37834378), (110, 18917189), (149, 13965710), (298, 6982855), (745, 2793142), (1490, 1396571), (1639, 1269610), (3278, 634805), (8195, 253922), (16390, 126961)]