28428574000

素因数分解:

$2^4\times 5^3\times {\mathrm{1277}}^1\times {\mathrm{11131}}^1$

素因数の和:12431

約数の個数: 80

約数和(自身を含む): 68800301856

約数和(自身を除く): 40371727856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1277, 2000, 2554, 5108, 6385, 10216, 11131, 12770, 20432, 22262, 25540, 31925, 44524, 51080, 55655, 63850, 89048, 102160, 111310, 127700, 159625, 178096, 222620, 255400, 278275, 319250, 445240, 510800, 556550, 638500, 890480, 1113100, 1277000, 1391375, 2226200, 2554000, 2782750, 4452400, 5565500, 11131000, 14214287, 22262000, 28428574, 56857148, 71071435, 113714296, 142142870, 227428592, 284285740, 355357175, 568571480, 710714350, 1137142960, 1421428700, 1776785875, 2842857400, 3553571750, 5685714800, 7107143500, 14214287000, 28428574000]

約数ペア:

[(1, 28428574000), (2, 14214287000), (4, 7107143500), (5, 5685714800), (8, 3553571750), (10, 2842857400), (16, 1776785875), (20, 1421428700), (25, 1137142960), (40, 710714350), (50, 568571480), (80, 355357175), (100, 284285740), (125, 227428592), (200, 142142870), (250, 113714296), (400, 71071435), (500, 56857148), (1000, 28428574), (1277, 22262000), (2000, 14214287), (2554, 11131000), (5108, 5565500), (6385, 4452400), (10216, 2782750), (11131, 2554000), (12770, 2226200), (20432, 1391375), (22262, 1277000), (25540, 1113100), (31925, 890480), (44524, 638500), (51080, 556550), (55655, 510800), (63850, 445240), (89048, 319250), (102160, 278275), (111310, 255400), (127700, 222620), (159625, 178096)]