2015921825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 2690827776

約数和(自身を除く): 674905951

約数列:

[1, 5, 23, 25, 41, 115, 205, 233, 367, 575, 943, 1025, 1165, 1835, 4715, 5359, 5825, 8441, 9175, 9553, 15047, 23575, 26795, 42205, 47765, 75235, 85511, 133975, 211025, 219719, 238825, 346081, 376175, 427555, 1098595, 1730405, 1966753, 2137775, 3505951, 5492975, 8652025, 9833765, 17529755, 49168825, 80636873, 87648775, 403184365, 2015921825]

約数ペア:

[(1, 2015921825), (5, 403184365), (23, 87648775), (25, 80636873), (41, 49168825), (115, 17529755), (205, 9833765), (233, 8652025), (367, 5492975), (575, 3505951), (943, 2137775), (1025, 1966753), (1165, 1730405), (1835, 1098595), (4715, 427555), (5359, 376175), (5825, 346081), (8441, 238825), (9175, 219719), (9553, 211025), (15047, 133975), (23575, 85511), (26795, 75235), (42205, 47765)]