1388390560

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{84247}}^1$

素因数の和:84365

約数の個数: 48

約数和(自身を含む): 3311957376

約数和(自身を除く): 1923566816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 16480, 84247, 168494, 336988, 421235, 673976, 842470, 1347952, 1684940, 2695904, 3369880, 6739760, 8677441, 13479520, 17354882, 34709764, 43387205, 69419528, 86774410, 138839056, 173548820, 277678112, 347097640, 694195280, 1388390560]

約数ペア:

[(1, 1388390560), (2, 694195280), (4, 347097640), (5, 277678112), (8, 173548820), (10, 138839056), (16, 86774410), (20, 69419528), (32, 43387205), (40, 34709764), (80, 17354882), (103, 13479520), (160, 8677441), (206, 6739760), (412, 3369880), (515, 2695904), (824, 1684940), (1030, 1347952), (1648, 842470), (2060, 673976), (3296, 421235), (4120, 336988), (8240, 168494), (16480, 84247)]