2011023920

素因数分解:

$2^4\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{13729}}^1$

素因数の和:15573

約数の個数: 40

約数和(自身を含む): 4678524960

約数和(自身を除く): 2667501040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1831, 3662, 7324, 9155, 13729, 14648, 18310, 27458, 29296, 36620, 54916, 68645, 73240, 109832, 137290, 146480, 219664, 274580, 549160, 1098320, 25137799, 50275598, 100551196, 125688995, 201102392, 251377990, 402204784, 502755980, 1005511960, 2011023920]

約数ペア:

[(1, 2011023920), (2, 1005511960), (4, 502755980), (5, 402204784), (8, 251377990), (10, 201102392), (16, 125688995), (20, 100551196), (40, 50275598), (80, 25137799), (1831, 1098320), (3662, 549160), (7324, 274580), (9155, 219664), (13729, 146480), (14648, 137290), (18310, 109832), (27458, 73240), (29296, 68645), (36620, 54916)]