53281720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 123638400

約数和(自身を除く): 70356680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 107, 118, 211, 214, 236, 295, 422, 428, 472, 535, 590, 844, 856, 1055, 1070, 1180, 1688, 2110, 2140, 2360, 4220, 4280, 6313, 8440, 12449, 12626, 22577, 24898, 25252, 31565, 45154, 49796, 50504, 62245, 63130, 90308, 99592, 112885, 124490, 126260, 180616, 225770, 248980, 252520, 451540, 497960, 903080, 1332043, 2664086, 5328172, 6660215, 10656344, 13320430, 26640860, 53281720]

約数ペア:

[(1, 53281720), (2, 26640860), (4, 13320430), (5, 10656344), (8, 6660215), (10, 5328172), (20, 2664086), (40, 1332043), (59, 903080), (107, 497960), (118, 451540), (211, 252520), (214, 248980), (236, 225770), (295, 180616), (422, 126260), (428, 124490), (472, 112885), (535, 99592), (590, 90308), (844, 63130), (856, 62245), (1055, 50504), (1070, 49796), (1180, 45154), (1688, 31565), (2110, 25252), (2140, 24898), (2360, 22577), (4220, 12626), (4280, 12449), (6313, 8440)]