2542280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 6161400

約数和(自身を除く): 3619120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4889, 9778, 19556, 24445, 39112, 48890, 63557, 97780, 127114, 195560, 254228, 317785, 508456, 635570, 1271140, 2542280]

約数ペア:

[(1, 2542280), (2, 1271140), (4, 635570), (5, 508456), (8, 317785), (10, 254228), (13, 195560), (20, 127114), (26, 97780), (40, 63557), (52, 48890), (65, 39112), (104, 24445), (130, 19556), (260, 9778), (520, 4889)]