2020483840

素因数分解:

$2^8\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4549}}^1$

素因数の和:4917

約数の個数: 72

約数和(自身を含む): 4854704400

約数和(自身を除く): 2834220560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 347, 640, 694, 1280, 1388, 1735, 2776, 3470, 4549, 5552, 6940, 9098, 11104, 13880, 18196, 22208, 22745, 27760, 36392, 44416, 45490, 55520, 72784, 88832, 90980, 111040, 145568, 181960, 222080, 291136, 363920, 444160, 582272, 727840, 1164544, 1455680, 1578503, 2911360, 3157006, 5822720, 6314012, 7892515, 12628024, 15785030, 25256048, 31570060, 50512096, 63140120, 101024192, 126280240, 202048384, 252560480, 404096768, 505120960, 1010241920, 2020483840]

約数ペア:

[(1, 2020483840), (2, 1010241920), (4, 505120960), (5, 404096768), (8, 252560480), (10, 202048384), (16, 126280240), (20, 101024192), (32, 63140120), (40, 50512096), (64, 31570060), (80, 25256048), (128, 15785030), (160, 12628024), (256, 7892515), (320, 6314012), (347, 5822720), (640, 3157006), (694, 2911360), (1280, 1578503), (1388, 1455680), (1735, 1164544), (2776, 727840), (3470, 582272), (4549, 444160), (5552, 363920), (6940, 291136), (9098, 222080), (11104, 181960), (13880, 145568), (18196, 111040), (22208, 90980), (22745, 88832), (27760, 72784), (36392, 55520), (44416, 45490)]