78805180280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115889971}}^1$

素因数の和:115889999

約数の個数: 32

約数和(自身を含む): 187741754640

約数和(自身を除く): 108936574360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115889971, 231779942, 463559884, 579449855, 927119768, 1158899710, 1970129507, 2317799420, 3940259014, 4635598840, 7880518028, 9850647535, 15761036056, 19701295070, 39402590140, 78805180280]

約数ペア:

[(1, 78805180280), (2, 39402590140), (4, 19701295070), (5, 15761036056), (8, 9850647535), (10, 7880518028), (17, 4635598840), (20, 3940259014), (34, 2317799420), (40, 1970129507), (68, 1158899710), (85, 927119768), (136, 579449855), (170, 463559884), (340, 231779942), (680, 115889971)]