2056290440

素因数分解:

$2^3\times 5^1\times {\mathrm{9497}}^1\times {\mathrm{5413}}^1$

素因数の和:14921

約数の個数: 32

約数和(自身を含む): 4627995480

約数和(自身を除く): 2571705040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5413, 9497, 10826, 18994, 21652, 27065, 37988, 43304, 47485, 54130, 75976, 94970, 108260, 189940, 216520, 379880, 51407261, 102814522, 205629044, 257036305, 411258088, 514072610, 1028145220, 2056290440]

約数ペア:

[(1, 2056290440), (2, 1028145220), (4, 514072610), (5, 411258088), (8, 257036305), (10, 205629044), (20, 102814522), (40, 51407261), (5413, 379880), (9497, 216520), (10826, 189940), (18994, 108260), (21652, 94970), (27065, 75976), (37988, 54130), (43304, 47485)]