80861440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5743}}^1$

素因数の和:5775

約数の個数: 72

約数和(自身を含む): 211333248

約数和(自身を除く): 130471808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5743, 7040, 11486, 14080, 22972, 28715, 45944, 57430, 63173, 91888, 114860, 126346, 183776, 229720, 252692, 315865, 367552, 459440, 505384, 631730, 735104, 918880, 1010768, 1263460, 1470208, 1837760, 2021536, 2526920, 3675520, 4043072, 5053840, 7351040, 8086144, 10107680, 16172288, 20215360, 40430720, 80861440]

約数ペア:

[(1, 80861440), (2, 40430720), (4, 20215360), (5, 16172288), (8, 10107680), (10, 8086144), (11, 7351040), (16, 5053840), (20, 4043072), (22, 3675520), (32, 2526920), (40, 2021536), (44, 1837760), (55, 1470208), (64, 1263460), (80, 1010768), (88, 918880), (110, 735104), (128, 631730), (160, 505384), (176, 459440), (220, 367552), (256, 315865), (320, 252692), (352, 229720), (440, 183776), (640, 126346), (704, 114860), (880, 91888), (1280, 63173), (1408, 57430), (1760, 45944), (2816, 28715), (3520, 22972), (5743, 14080), (7040, 11486)]