85251800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 212129280

約数和(自身を除く): 126877480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 43, 46, 50, 86, 92, 100, 115, 172, 184, 200, 215, 230, 344, 430, 431, 460, 575, 860, 862, 920, 989, 1075, 1150, 1720, 1724, 1978, 2150, 2155, 2300, 3448, 3956, 4300, 4310, 4600, 4945, 7912, 8600, 8620, 9890, 9913, 10775, 17240, 18533, 19780, 19826, 21550, 24725, 37066, 39560, 39652, 43100, 49450, 49565, 74132, 79304, 86200, 92665, 98900, 99130, 148264, 185330, 197800, 198260, 247825, 370660, 396520, 426259, 463325, 495650, 741320, 852518, 926650, 991300, 1705036, 1853300, 1982600, 2131295, 3410072, 3706600, 4262590, 8525180, 10656475, 17050360, 21312950, 42625900, 85251800]

約数ペア:

[(1, 85251800), (2, 42625900), (4, 21312950), (5, 17050360), (8, 10656475), (10, 8525180), (20, 4262590), (23, 3706600), (25, 3410072), (40, 2131295), (43, 1982600), (46, 1853300), (50, 1705036), (86, 991300), (92, 926650), (100, 852518), (115, 741320), (172, 495650), (184, 463325), (200, 426259), (215, 396520), (230, 370660), (344, 247825), (430, 198260), (431, 197800), (460, 185330), (575, 148264), (860, 99130), (862, 98900), (920, 92665), (989, 86200), (1075, 79304), (1150, 74132), (1720, 49565), (1724, 49450), (1978, 43100), (2150, 39652), (2155, 39560), (2300, 37066), (3448, 24725), (3956, 21550), (4300, 19826), (4310, 19780), (4600, 18533), (4945, 17240), (7912, 10775), (8600, 9913), (8620, 9890)]