820093664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{10007}}^1$

素因数の和:10227

約数の個数: 48

約数和(自身を含む): 1747757088

約数和(自身を除く): 927663424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 197, 208, 394, 416, 788, 1576, 2561, 3152, 5122, 6304, 10007, 10244, 20014, 20488, 40028, 40976, 80056, 81952, 130091, 160112, 260182, 320224, 520364, 1040728, 1971379, 2081456, 3942758, 4162912, 7885516, 15771032, 25627927, 31542064, 51255854, 63084128, 102511708, 205023416, 410046832, 820093664]

約数ペア:

[(1, 820093664), (2, 410046832), (4, 205023416), (8, 102511708), (13, 63084128), (16, 51255854), (26, 31542064), (32, 25627927), (52, 15771032), (104, 7885516), (197, 4162912), (208, 3942758), (394, 2081456), (416, 1971379), (788, 1040728), (1576, 520364), (2561, 320224), (3152, 260182), (5122, 160112), (6304, 130091), (10007, 81952), (10244, 80056), (20014, 40976), (20488, 40028)]