81286600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 202487040

約数和(自身を除く): 121200440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 41, 46, 50, 82, 92, 100, 115, 164, 184, 200, 205, 230, 328, 410, 431, 460, 575, 820, 862, 920, 943, 1025, 1150, 1640, 1724, 1886, 2050, 2155, 2300, 3448, 3772, 4100, 4310, 4600, 4715, 7544, 8200, 8620, 9430, 9913, 10775, 17240, 17671, 18860, 19826, 21550, 23575, 35342, 37720, 39652, 43100, 47150, 49565, 70684, 79304, 86200, 88355, 94300, 99130, 141368, 176710, 188600, 198260, 247825, 353420, 396520, 406433, 441775, 495650, 706840, 812866, 883550, 991300, 1625732, 1767100, 1982600, 2032165, 3251464, 3534200, 4064330, 8128660, 10160825, 16257320, 20321650, 40643300, 81286600]

約数ペア:

[(1, 81286600), (2, 40643300), (4, 20321650), (5, 16257320), (8, 10160825), (10, 8128660), (20, 4064330), (23, 3534200), (25, 3251464), (40, 2032165), (41, 1982600), (46, 1767100), (50, 1625732), (82, 991300), (92, 883550), (100, 812866), (115, 706840), (164, 495650), (184, 441775), (200, 406433), (205, 396520), (230, 353420), (328, 247825), (410, 198260), (431, 188600), (460, 176710), (575, 141368), (820, 99130), (862, 94300), (920, 88355), (943, 86200), (1025, 79304), (1150, 70684), (1640, 49565), (1724, 47150), (1886, 43100), (2050, 39652), (2155, 37720), (2300, 35342), (3448, 23575), (3772, 21550), (4100, 19826), (4310, 18860), (4600, 17671), (4715, 17240), (7544, 10775), (8200, 9913), (8620, 9430)]