1280285696

素因数分解:

$2^{10}\times {\mathrm{101}}^1\times {\mathrm{12379}}^1$

素因数の和:12500

約数の個数: 44

約数和(自身を含む): 2584869720

約数和(自身を除く): 1304584024

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 512, 808, 1024, 1616, 3232, 6464, 12379, 12928, 24758, 25856, 49516, 51712, 99032, 103424, 198064, 396128, 792256, 1250279, 1584512, 2500558, 3169024, 5001116, 6338048, 10002232, 12676096, 20004464, 40008928, 80017856, 160035712, 320071424, 640142848, 1280285696]

約数ペア:

[(1, 1280285696), (2, 640142848), (4, 320071424), (8, 160035712), (16, 80017856), (32, 40008928), (64, 20004464), (101, 12676096), (128, 10002232), (202, 6338048), (256, 5001116), (404, 3169024), (512, 2500558), (808, 1584512), (1024, 1250279), (1616, 792256), (3232, 396128), (6464, 198064), (12379, 103424), (12928, 99032), (24758, 51712), (25856, 49516)]