164112440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{46099}}^1$

素因数の和:46199

約数の個数: 32

約数和(自身を含む): 373410000

約数和(自身を除く): 209297560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 46099, 92198, 184396, 230495, 368792, 460990, 921980, 1843960, 4102811, 8205622, 16411244, 20514055, 32822488, 41028110, 82056220, 164112440]

約数ペア:

[(1, 164112440), (2, 82056220), (4, 41028110), (5, 32822488), (8, 20514055), (10, 16411244), (20, 8205622), (40, 4102811), (89, 1843960), (178, 921980), (356, 460990), (445, 368792), (712, 230495), (890, 184396), (1780, 92198), (3560, 46099)]