1636700650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{5981}}^1$

素因数の和:6427

約数の個数: 48

約数和(自身を含む): 3286774008

約数和(自身を除く): 1650073358

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 421, 650, 842, 2105, 4210, 5473, 5981, 10525, 10946, 11962, 21050, 27365, 29905, 54730, 59810, 77753, 136825, 149525, 155506, 273650, 299050, 388765, 777530, 1943825, 2518001, 3887650, 5036002, 12590005, 25180010, 32734013, 62950025, 65468026, 125900050, 163670065, 327340130, 818350325, 1636700650]

約数ペア:

[(1, 1636700650), (2, 818350325), (5, 327340130), (10, 163670065), (13, 125900050), (25, 65468026), (26, 62950025), (50, 32734013), (65, 25180010), (130, 12590005), (325, 5036002), (421, 3887650), (650, 2518001), (842, 1943825), (2105, 777530), (4210, 388765), (5473, 299050), (5981, 273650), (10525, 155506), (10946, 149525), (11962, 136825), (21050, 77753), (27365, 59810), (29905, 54730)]