16331920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 42193728

約数和(自身を除く): 25861808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 277, 335, 440, 536, 554, 670, 737, 880, 1072, 1108, 1340, 1385, 1474, 2216, 2680, 2770, 2948, 3047, 3685, 4432, 5360, 5540, 5896, 6094, 7370, 11080, 11792, 12188, 14740, 15235, 18559, 22160, 24376, 29480, 30470, 37118, 48752, 58960, 60940, 74236, 92795, 121880, 148472, 185590, 204149, 243760, 296944, 371180, 408298, 742360, 816596, 1020745, 1484720, 1633192, 2041490, 3266384, 4082980, 8165960, 16331920]

約数ペア:

[(1, 16331920), (2, 8165960), (4, 4082980), (5, 3266384), (8, 2041490), (10, 1633192), (11, 1484720), (16, 1020745), (20, 816596), (22, 742360), (40, 408298), (44, 371180), (55, 296944), (67, 243760), (80, 204149), (88, 185590), (110, 148472), (134, 121880), (176, 92795), (220, 74236), (268, 60940), (277, 58960), (335, 48752), (440, 37118), (536, 30470), (554, 29480), (670, 24376), (737, 22160), (880, 18559), (1072, 15235), (1108, 14740), (1340, 12188), (1385, 11792), (1474, 11080), (2216, 7370), (2680, 6094), (2770, 5896), (2948, 5540), (3047, 5360), (3685, 4432)]