8720020480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{151}}^1\times {\mathrm{11279}}^1$

素因数の和:11455

約数の個数: 88

約数和(自身を含む): 21058225920

約数和(自身を除く): 12338205440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 256, 302, 320, 512, 604, 640, 755, 1024, 1208, 1280, 1510, 2416, 2560, 3020, 4832, 5120, 6040, 9664, 11279, 12080, 19328, 22558, 24160, 38656, 45116, 48320, 56395, 77312, 90232, 96640, 112790, 154624, 180464, 193280, 225580, 360928, 386560, 451160, 721856, 773120, 902320, 1443712, 1703129, 1804640, 2887424, 3406258, 3609280, 5774848, 6812516, 7218560, 8515645, 11549696, 13625032, 14437120, 17031290, 27250064, 28874240, 34062580, 54500128, 57748480, 68125160, 109000256, 136250320, 218000512, 272500640, 436001024, 545001280, 872002048, 1090002560, 1744004096, 2180005120, 4360010240, 8720020480]

約数ペア:

[(1, 8720020480), (2, 4360010240), (4, 2180005120), (5, 1744004096), (8, 1090002560), (10, 872002048), (16, 545001280), (20, 436001024), (32, 272500640), (40, 218000512), (64, 136250320), (80, 109000256), (128, 68125160), (151, 57748480), (160, 54500128), (256, 34062580), (302, 28874240), (320, 27250064), (512, 17031290), (604, 14437120), (640, 13625032), (755, 11549696), (1024, 8515645), (1208, 7218560), (1280, 6812516), (1510, 5774848), (2416, 3609280), (2560, 3406258), (3020, 2887424), (4832, 1804640), (5120, 1703129), (6040, 1443712), (9664, 902320), (11279, 773120), (12080, 721856), (19328, 451160), (22558, 386560), (24160, 360928), (38656, 225580), (45116, 193280), (48320, 180464), (56395, 154624), (77312, 112790), (90232, 96640)]