20572913440

素因数分解:

$2^5\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{44201}}^1$

素因数の和:47125

約数の個数: 48

約数和(自身を含む): 48621315960

約数和(自身を除く): 28048402520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2909, 5818, 11636, 14545, 23272, 29090, 44201, 46544, 58180, 88402, 93088, 116360, 176804, 221005, 232720, 353608, 442010, 465440, 707216, 884020, 1414432, 1768040, 3536080, 7072160, 128580709, 257161418, 514322836, 642903545, 1028645672, 1285807090, 2057291344, 2571614180, 4114582688, 5143228360, 10286456720, 20572913440]

約数ペア:

[(1, 20572913440), (2, 10286456720), (4, 5143228360), (5, 4114582688), (8, 2571614180), (10, 2057291344), (16, 1285807090), (20, 1028645672), (32, 642903545), (40, 514322836), (80, 257161418), (160, 128580709), (2909, 7072160), (5818, 3536080), (11636, 1768040), (14545, 1414432), (23272, 884020), (29090, 707216), (44201, 465440), (46544, 442010), (58180, 353608), (88402, 232720), (93088, 221005), (116360, 176804)]