16509040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 41515200

約数和(自身を除く): 25006160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 199, 244, 272, 305, 340, 398, 488, 610, 680, 796, 976, 995, 1037, 1220, 1360, 1592, 1990, 2074, 2440, 3184, 3383, 3980, 4148, 4880, 5185, 6766, 7960, 8296, 10370, 12139, 13532, 15920, 16592, 16915, 20740, 24278, 27064, 33830, 41480, 48556, 54128, 60695, 67660, 82960, 97112, 121390, 135320, 194224, 206363, 242780, 270640, 412726, 485560, 825452, 971120, 1031815, 1650904, 2063630, 3301808, 4127260, 8254520, 16509040]

約数ペア:

[(1, 16509040), (2, 8254520), (4, 4127260), (5, 3301808), (8, 2063630), (10, 1650904), (16, 1031815), (17, 971120), (20, 825452), (34, 485560), (40, 412726), (61, 270640), (68, 242780), (80, 206363), (85, 194224), (122, 135320), (136, 121390), (170, 97112), (199, 82960), (244, 67660), (272, 60695), (305, 54128), (340, 48556), (398, 41480), (488, 33830), (610, 27064), (680, 24278), (796, 20740), (976, 16915), (995, 16592), (1037, 15920), (1220, 13532), (1360, 12139), (1592, 10370), (1990, 8296), (2074, 7960), (2440, 6766), (3184, 5185), (3383, 4880), (3980, 4148)]