25331350780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{39047}}^1$

素因数の和:39418

約数の個数: 48

約数和(自身を含む): 53792524800

約数和(自身を除く): 28461174020

約数列:

[1, 2, 4, 5, 10, 20, 163, 199, 326, 398, 652, 796, 815, 995, 1630, 1990, 3260, 3980, 32437, 39047, 64874, 78094, 129748, 156188, 162185, 195235, 324370, 390470, 648740, 780940, 6364661, 7770353, 12729322, 15540706, 25458644, 31081412, 31823305, 38851765, 63646610, 77703530, 127293220, 155407060, 1266567539, 2533135078, 5066270156, 6332837695, 12665675390, 25331350780]

約数ペア:

[(1, 25331350780), (2, 12665675390), (4, 6332837695), (5, 5066270156), (10, 2533135078), (20, 1266567539), (163, 155407060), (199, 127293220), (326, 77703530), (398, 63646610), (652, 38851765), (796, 31823305), (815, 31081412), (995, 25458644), (1630, 15540706), (1990, 12729322), (3260, 7770353), (3980, 6364661), (32437, 780940), (39047, 648740), (64874, 390470), (78094, 324370), (129748, 195235), (156188, 162185)]