4004008912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{640027}}^1$

素因数の和:640075

約数の個数: 40

約数和(自身を含む): 8571254976

約数和(自身を除く): 4567246064

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 6256, 640027, 1280054, 2560108, 5120216, 10240432, 10880459, 14720621, 21760918, 29441242, 43521836, 58882484, 87043672, 117764968, 174087344, 235529936, 250250557, 500501114, 1001002228, 2002004456, 4004008912]

約数ペア:

[(1, 4004008912), (2, 2002004456), (4, 1001002228), (8, 500501114), (16, 250250557), (17, 235529936), (23, 174087344), (34, 117764968), (46, 87043672), (68, 58882484), (92, 43521836), (136, 29441242), (184, 21760918), (272, 14720621), (368, 10880459), (391, 10240432), (782, 5120216), (1564, 2560108), (3128, 1280054), (6256, 640027)]