80493440

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 193808160

約数和(自身を除く): 113314720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 727, 865, 1384, 1454, 1730, 2768, 2908, 3460, 3635, 5536, 5816, 6920, 7270, 11072, 11632, 13840, 14540, 22144, 23264, 27680, 29080, 46528, 55360, 58160, 93056, 110720, 116320, 125771, 232640, 251542, 465280, 503084, 628855, 1006168, 1257710, 2012336, 2515420, 4024672, 5030840, 8049344, 10061680, 16098688, 20123360, 40246720, 80493440]

約数ペア:

[(1, 80493440), (2, 40246720), (4, 20123360), (5, 16098688), (8, 10061680), (10, 8049344), (16, 5030840), (20, 4024672), (32, 2515420), (40, 2012336), (64, 1257710), (80, 1006168), (128, 628855), (160, 503084), (173, 465280), (320, 251542), (346, 232640), (640, 125771), (692, 116320), (727, 110720), (865, 93056), (1384, 58160), (1454, 55360), (1730, 46528), (2768, 29080), (2908, 27680), (3460, 23264), (3635, 22144), (5536, 14540), (5816, 13840), (6920, 11632), (7270, 11072)]