51540580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28319}}^1$

素因数の和:28348

約数の個数: 48

約数和(自身を含む): 133217280

約数和(自身を除く): 81676700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28319, 56638, 113276, 141595, 198233, 283190, 368147, 396466, 566380, 736294, 792932, 991165, 1472588, 1840735, 1982330, 2577029, 3681470, 3964660, 5154058, 7362940, 10308116, 12885145, 25770290, 51540580]

約数ペア:

[(1, 51540580), (2, 25770290), (4, 12885145), (5, 10308116), (7, 7362940), (10, 5154058), (13, 3964660), (14, 3681470), (20, 2577029), (26, 1982330), (28, 1840735), (35, 1472588), (52, 991165), (65, 792932), (70, 736294), (91, 566380), (130, 396466), (140, 368147), (182, 283190), (260, 198233), (364, 141595), (455, 113276), (910, 56638), (1820, 28319)]