25440844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 27620276

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 286, 316, 563, 572, 869, 1027, 1126, 1738, 2054, 2252, 3476, 4108, 6193, 7319, 11297, 12386, 14638, 22594, 24772, 29276, 44477, 45188, 80509, 88954, 161018, 177908, 322036, 489247, 578201, 978494, 1156402, 1956988, 2312804, 6360211, 12720422, 25440844]

約数ペア:

[(1, 25440844), (2, 12720422), (4, 6360211), (11, 2312804), (13, 1956988), (22, 1156402), (26, 978494), (44, 578201), (52, 489247), (79, 322036), (143, 177908), (158, 161018), (286, 88954), (316, 80509), (563, 45188), (572, 44477), (869, 29276), (1027, 24772), (1126, 22594), (1738, 14638), (2054, 12386), (2252, 11297), (3476, 7319), (4108, 6193)]