25150720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{401}}^1$

素因数の和:436

約数の個数: 108

約数和(自身を含む): 70254324

約数和(自身を除く): 45103604

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 401, 448, 490, 560, 640, 784, 802, 896, 980, 1120, 1280, 1568, 1604, 1792, 1960, 2005, 2240, 2807, 3136, 3208, 3920, 4010, 4480, 5614, 6272, 6416, 7840, 8020, 8960, 11228, 12544, 12832, 14035, 15680, 16040, 19649, 22456, 25664, 28070, 31360, 32080, 39298, 44912, 51328, 56140, 62720, 64160, 78596, 89824, 98245, 102656, 112280, 128320, 157192, 179648, 196490, 224560, 256640, 314384, 359296, 392980, 449120, 513280, 628768, 718592, 785960, 898240, 1257536, 1571920, 1796480, 2515072, 3143840, 3592960, 5030144, 6287680, 12575360, 25150720]

約数ペア:

[(1, 25150720), (2, 12575360), (4, 6287680), (5, 5030144), (7, 3592960), (8, 3143840), (10, 2515072), (14, 1796480), (16, 1571920), (20, 1257536), (28, 898240), (32, 785960), (35, 718592), (40, 628768), (49, 513280), (56, 449120), (64, 392980), (70, 359296), (80, 314384), (98, 256640), (112, 224560), (128, 196490), (140, 179648), (160, 157192), (196, 128320), (224, 112280), (245, 102656), (256, 98245), (280, 89824), (320, 78596), (392, 64160), (401, 62720), (448, 56140), (490, 51328), (560, 44912), (640, 39298), (784, 32080), (802, 31360), (896, 28070), (980, 25664), (1120, 22456), (1280, 19649), (1568, 16040), (1604, 15680), (1792, 14035), (1960, 12832), (2005, 12544), (2240, 11228), (2807, 8960), (3136, 8020), (3208, 7840), (3920, 6416), (4010, 6272), (4480, 5614)]