16113820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 35548128

約数和(自身を除く): 19434308

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 457, 820, 860, 914, 1763, 1828, 2285, 3526, 4570, 7052, 8815, 9140, 17630, 18737, 19651, 35260, 37474, 39302, 74948, 78604, 93685, 98255, 187370, 196510, 374740, 393020, 805691, 1611382, 3222764, 4028455, 8056910, 16113820]

約数ペア:

[(1, 16113820), (2, 8056910), (4, 4028455), (5, 3222764), (10, 1611382), (20, 805691), (41, 393020), (43, 374740), (82, 196510), (86, 187370), (164, 98255), (172, 93685), (205, 78604), (215, 74948), (410, 39302), (430, 37474), (457, 35260), (820, 19651), (860, 18737), (914, 17630), (1763, 9140), (1828, 8815), (2285, 7052), (3526, 4570)]