25375840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 69431040

約数和(自身を除く): 44055200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 139, 140, 160, 163, 224, 278, 280, 326, 556, 560, 652, 695, 815, 973, 1112, 1120, 1141, 1304, 1390, 1630, 1946, 2224, 2282, 2608, 2780, 3260, 3892, 4448, 4564, 4865, 5216, 5560, 5705, 6520, 7784, 9128, 9730, 11120, 11410, 13040, 15568, 18256, 19460, 22240, 22657, 22820, 26080, 31136, 36512, 38920, 45314, 45640, 77840, 90628, 91280, 113285, 155680, 158599, 181256, 182560, 226570, 317198, 362512, 453140, 634396, 725024, 792995, 906280, 1268792, 1585990, 1812560, 2537584, 3171980, 3625120, 5075168, 6343960, 12687920, 25375840]

約数ペア:

[(1, 25375840), (2, 12687920), (4, 6343960), (5, 5075168), (7, 3625120), (8, 3171980), (10, 2537584), (14, 1812560), (16, 1585990), (20, 1268792), (28, 906280), (32, 792995), (35, 725024), (40, 634396), (56, 453140), (70, 362512), (80, 317198), (112, 226570), (139, 182560), (140, 181256), (160, 158599), (163, 155680), (224, 113285), (278, 91280), (280, 90628), (326, 77840), (556, 45640), (560, 45314), (652, 38920), (695, 36512), (815, 31136), (973, 26080), (1112, 22820), (1120, 22657), (1141, 22240), (1304, 19460), (1390, 18256), (1630, 15568), (1946, 13040), (2224, 11410), (2282, 11120), (2608, 9730), (2780, 9128), (3260, 7784), (3892, 6520), (4448, 5705), (4564, 5560), (4865, 5216)]