200620480

素因数分解:

$2^6\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2003}}^1$

素因数の和:2333

約数の個数: 56

約数和(自身を含む): 479493072

約数和(自身を除く): 278872592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 313, 320, 626, 1252, 1565, 2003, 2504, 3130, 4006, 5008, 6260, 8012, 10015, 10016, 12520, 16024, 20030, 20032, 25040, 32048, 40060, 50080, 64096, 80120, 100160, 128192, 160240, 320480, 626939, 640960, 1253878, 2507756, 3134695, 5015512, 6269390, 10031024, 12538780, 20062048, 25077560, 40124096, 50155120, 100310240, 200620480]

約数ペア:

[(1, 200620480), (2, 100310240), (4, 50155120), (5, 40124096), (8, 25077560), (10, 20062048), (16, 12538780), (20, 10031024), (32, 6269390), (40, 5015512), (64, 3134695), (80, 2507756), (160, 1253878), (313, 640960), (320, 626939), (626, 320480), (1252, 160240), (1565, 128192), (2003, 100160), (2504, 80120), (3130, 64096), (4006, 50080), (5008, 40060), (6260, 32048), (8012, 25040), (10015, 20032), (10016, 20030), (12520, 16024)]