25008940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 62576640

約数和(自身を除く): 37567700

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 193, 209, 220, 310, 341, 380, 386, 418, 589, 620, 682, 772, 836, 965, 1045, 1178, 1364, 1705, 1930, 2090, 2123, 2356, 2945, 3410, 3667, 3860, 4180, 4246, 5890, 5983, 6479, 6820, 7334, 8492, 10615, 11780, 11966, 12958, 14668, 18335, 21230, 23932, 25916, 29915, 32395, 36670, 40337, 42460, 59830, 64790, 65813, 73340, 80674, 113677, 119660, 129580, 131626, 161348, 201685, 227354, 263252, 329065, 403370, 454708, 568385, 658130, 806740, 1136770, 1250447, 1316260, 2273540, 2500894, 5001788, 6252235, 12504470, 25008940]

約数ペア:

[(1, 25008940), (2, 12504470), (4, 6252235), (5, 5001788), (10, 2500894), (11, 2273540), (19, 1316260), (20, 1250447), (22, 1136770), (31, 806740), (38, 658130), (44, 568385), (55, 454708), (62, 403370), (76, 329065), (95, 263252), (110, 227354), (124, 201685), (155, 161348), (190, 131626), (193, 129580), (209, 119660), (220, 113677), (310, 80674), (341, 73340), (380, 65813), (386, 64790), (418, 59830), (589, 42460), (620, 40337), (682, 36670), (772, 32395), (836, 29915), (965, 25916), (1045, 23932), (1178, 21230), (1364, 18335), (1705, 14668), (1930, 12958), (2090, 11966), (2123, 11780), (2356, 10615), (2945, 8492), (3410, 7334), (3667, 6820), (3860, 6479), (4180, 5983), (4246, 5890)]