887791040

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 112

約数和(自身を含む): 2184465024

約数和(自身を除く): 1296673984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 157, 160, 164, 205, 314, 320, 328, 410, 431, 628, 656, 785, 820, 862, 1256, 1312, 1570, 1640, 1724, 2155, 2512, 2624, 3140, 3280, 3448, 4310, 5024, 6280, 6437, 6560, 6896, 8620, 10048, 12560, 12874, 13120, 13792, 17240, 17671, 25120, 25748, 27584, 32185, 34480, 35342, 50240, 51496, 64370, 67667, 68960, 70684, 88355, 102992, 128740, 135334, 137920, 141368, 176710, 205984, 257480, 270668, 282736, 338335, 353420, 411968, 514960, 541336, 565472, 676670, 706840, 1029920, 1082672, 1130944, 1353340, 1413680, 2059840, 2165344, 2706680, 2774347, 2827360, 4330688, 5413360, 5548694, 5654720, 10826720, 11097388, 13871735, 21653440, 22194776, 27743470, 44389552, 55486940, 88779104, 110973880, 177558208, 221947760, 443895520, 887791040]

約数ペア:

[(1, 887791040), (2, 443895520), (4, 221947760), (5, 177558208), (8, 110973880), (10, 88779104), (16, 55486940), (20, 44389552), (32, 27743470), (40, 22194776), (41, 21653440), (64, 13871735), (80, 11097388), (82, 10826720), (157, 5654720), (160, 5548694), (164, 5413360), (205, 4330688), (314, 2827360), (320, 2774347), (328, 2706680), (410, 2165344), (431, 2059840), (628, 1413680), (656, 1353340), (785, 1130944), (820, 1082672), (862, 1029920), (1256, 706840), (1312, 676670), (1570, 565472), (1640, 541336), (1724, 514960), (2155, 411968), (2512, 353420), (2624, 338335), (3140, 282736), (3280, 270668), (3448, 257480), (4310, 205984), (5024, 176710), (6280, 141368), (6437, 137920), (6560, 135334), (6896, 128740), (8620, 102992), (10048, 88355), (12560, 70684), (12874, 68960), (13120, 67667), (13792, 64370), (17240, 51496), (17671, 50240), (25120, 35342), (25748, 34480), (27584, 32185)]