80929280

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 80

約数和(自身を含む): 196587864

約数和(自身を除く): 115658584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 313, 320, 404, 505, 512, 626, 640, 808, 1010, 1252, 1280, 1565, 1616, 2020, 2504, 2560, 3130, 3232, 4040, 5008, 6260, 6464, 8080, 10016, 12520, 12928, 16160, 20032, 25040, 25856, 31613, 32320, 40064, 50080, 51712, 63226, 64640, 80128, 100160, 126452, 129280, 158065, 160256, 200320, 252904, 258560, 316130, 400640, 505808, 632260, 801280, 1011616, 1264520, 2023232, 2529040, 4046464, 5058080, 8092928, 10116160, 16185856, 20232320, 40464640, 80929280]

約数ペア:

[(1, 80929280), (2, 40464640), (4, 20232320), (5, 16185856), (8, 10116160), (10, 8092928), (16, 5058080), (20, 4046464), (32, 2529040), (40, 2023232), (64, 1264520), (80, 1011616), (101, 801280), (128, 632260), (160, 505808), (202, 400640), (256, 316130), (313, 258560), (320, 252904), (404, 200320), (505, 160256), (512, 158065), (626, 129280), (640, 126452), (808, 100160), (1010, 80128), (1252, 64640), (1280, 63226), (1565, 51712), (1616, 50080), (2020, 40064), (2504, 32320), (2560, 31613), (3130, 25856), (3232, 25040), (4040, 20032), (5008, 16160), (6260, 12928), (6464, 12520), (8080, 10016)]