64986320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{116047}}^1$

素因数の和:116067

約数の個数: 40

約数和(自身を含む): 172679424

約数和(自身を除く): 107693104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 116047, 232094, 464188, 580235, 812329, 928376, 1160470, 1624658, 1856752, 2320940, 3249316, 4061645, 4641880, 6498632, 8123290, 9283760, 12997264, 16246580, 32493160, 64986320]

約数ペア:

[(1, 64986320), (2, 32493160), (4, 16246580), (5, 12997264), (7, 9283760), (8, 8123290), (10, 6498632), (14, 4641880), (16, 4061645), (20, 3249316), (28, 2320940), (35, 1856752), (40, 1624658), (56, 1160470), (70, 928376), (80, 812329), (112, 580235), (140, 464188), (280, 232094), (560, 116047)]