2100087301525

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{1429}}^1\times {\mathrm{2753}}^1$

素因数の和:4486

約数の個数: 48

約数和(自身を含む): 2642892183360

約数和(自身を除く): 542804881835

約数列:

[1, 5, 25, 131, 163, 655, 815, 1429, 2753, 3275, 4075, 7145, 13765, 21353, 35725, 68825, 106765, 187199, 232927, 360643, 448739, 533825, 935995, 1164635, 1803215, 2243695, 3934037, 4679975, 5823175, 9016075, 11218475, 19670185, 30513437, 58784809, 98350925, 152567185, 293924045, 515358847, 641248031, 762835925, 1469620225, 2576794235, 3206240155, 12883971175, 16031200775, 84003492061, 420017460305, 2100087301525]

約数ペア:

[(1, 2100087301525), (5, 420017460305), (25, 84003492061), (131, 16031200775), (163, 12883971175), (655, 3206240155), (815, 2576794235), (1429, 1469620225), (2753, 762835925), (3275, 641248031), (4075, 515358847), (7145, 293924045), (13765, 152567185), (21353, 98350925), (35725, 58784809), (68825, 30513437), (106765, 19670185), (187199, 11218475), (232927, 9016075), (360643, 5823175), (448739, 4679975), (533825, 3934037), (935995, 2243695), (1164635, 1803215)]