16492720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 41434848

約数和(自身を除く): 24942128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 181, 268, 272, 335, 340, 362, 536, 670, 680, 724, 905, 1072, 1139, 1340, 1360, 1448, 1810, 2278, 2680, 2896, 3077, 3620, 4556, 5360, 5695, 6154, 7240, 9112, 11390, 12127, 12308, 14480, 15385, 18224, 22780, 24254, 24616, 30770, 45560, 48508, 49232, 60635, 61540, 91120, 97016, 121270, 123080, 194032, 206159, 242540, 246160, 412318, 485080, 824636, 970160, 1030795, 1649272, 2061590, 3298544, 4123180, 8246360, 16492720]

約数ペア:

[(1, 16492720), (2, 8246360), (4, 4123180), (5, 3298544), (8, 2061590), (10, 1649272), (16, 1030795), (17, 970160), (20, 824636), (34, 485080), (40, 412318), (67, 246160), (68, 242540), (80, 206159), (85, 194032), (134, 123080), (136, 121270), (170, 97016), (181, 91120), (268, 61540), (272, 60635), (335, 49232), (340, 48508), (362, 45560), (536, 30770), (670, 24616), (680, 24254), (724, 22780), (905, 18224), (1072, 15385), (1139, 14480), (1340, 12308), (1360, 12127), (1448, 11390), (1810, 9112), (2278, 7240), (2680, 6154), (2896, 5695), (3077, 5360), (3620, 4556)]