28624960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1020

約数の個数: 112

約数和(自身を含む): 83978496

約数和(自身を除く): 55353536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 983, 1040, 1120, 1456, 1820, 1966, 2080, 2240, 2912, 3640, 3932, 4160, 4915, 5824, 6881, 7280, 7864, 9830, 12779, 13762, 14560, 15728, 19660, 25558, 27524, 29120, 31456, 34405, 39320, 51116, 55048, 62912, 63895, 68810, 78640, 89453, 102232, 110096, 127790, 137620, 157280, 178906, 204464, 220192, 255580, 275240, 314560, 357812, 408928, 440384, 447265, 511160, 550480, 715624, 817856, 894530, 1022320, 1100960, 1431248, 1789060, 2044640, 2201920, 2862496, 3578120, 4089280, 5724992, 7156240, 14312480, 28624960]

約数ペア:

[(1, 28624960), (2, 14312480), (4, 7156240), (5, 5724992), (7, 4089280), (8, 3578120), (10, 2862496), (13, 2201920), (14, 2044640), (16, 1789060), (20, 1431248), (26, 1100960), (28, 1022320), (32, 894530), (35, 817856), (40, 715624), (52, 550480), (56, 511160), (64, 447265), (65, 440384), (70, 408928), (80, 357812), (91, 314560), (104, 275240), (112, 255580), (130, 220192), (140, 204464), (160, 178906), (182, 157280), (208, 137620), (224, 127790), (260, 110096), (280, 102232), (320, 89453), (364, 78640), (416, 68810), (448, 63895), (455, 62912), (520, 55048), (560, 51116), (728, 39320), (832, 34405), (910, 31456), (983, 29120), (1040, 27524), (1120, 25558), (1456, 19660), (1820, 15728), (1966, 14560), (2080, 13762), (2240, 12779), (2912, 9830), (3640, 7864), (3932, 7280), (4160, 6881), (4915, 5824)]