520201712

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{487}}^1\times {\mathrm{661}}^1$

素因数の和:1257

約数の個数: 40

約数和(自身を含む): 1021503072

約数和(自身を除く): 501301360

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 487, 661, 808, 974, 1322, 1616, 1948, 2644, 3896, 5288, 7792, 10576, 49187, 66761, 98374, 133522, 196748, 267044, 321907, 393496, 534088, 643814, 786992, 1068176, 1287628, 2575256, 5150512, 32512607, 65025214, 130050428, 260100856, 520201712]

約数ペア:

[(1, 520201712), (2, 260100856), (4, 130050428), (8, 65025214), (16, 32512607), (101, 5150512), (202, 2575256), (404, 1287628), (487, 1068176), (661, 786992), (808, 643814), (974, 534088), (1322, 393496), (1616, 321907), (1948, 267044), (2644, 196748), (3896, 133522), (5288, 98374), (7792, 66761), (10576, 49187)]