201281840

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{10987}}^1$

素因数の和:11229

約数の個数: 40

約数和(自身を含む): 470066640

約数和(自身を除く): 268784800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 10987, 18320, 21974, 43948, 54935, 87896, 109870, 175792, 219740, 439480, 878960, 2516023, 5032046, 10064092, 12580115, 20128184, 25160230, 40256368, 50320460, 100640920, 201281840]

約数ペア:

[(1, 201281840), (2, 100640920), (4, 50320460), (5, 40256368), (8, 25160230), (10, 20128184), (16, 12580115), (20, 10064092), (40, 5032046), (80, 2516023), (229, 878960), (458, 439480), (916, 219740), (1145, 175792), (1832, 109870), (2290, 87896), (3664, 54935), (4580, 43948), (9160, 21974), (10987, 18320)]