921007880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1771169}}^1$

素因数の和:1771193

約数の個数: 32

約数和(自身を含む): 2231674200

約数和(自身を除く): 1310666320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1771169, 3542338, 7084676, 8855845, 14169352, 17711690, 23025197, 35423380, 46050394, 70846760, 92100788, 115125985, 184201576, 230251970, 460503940, 921007880]

約数ペア:

[(1, 921007880), (2, 460503940), (4, 230251970), (5, 184201576), (8, 115125985), (10, 92100788), (13, 70846760), (20, 46050394), (26, 35423380), (40, 23025197), (52, 17711690), (65, 14169352), (104, 8855845), (130, 7084676), (260, 3542338), (520, 1771169)]