25157888

素因数分解:

$2^8\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 58376640

約数和(自身を除く): 33218752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 139, 202, 224, 256, 278, 404, 448, 556, 707, 808, 896, 973, 1112, 1414, 1616, 1792, 1946, 2224, 2828, 3232, 3892, 4448, 5656, 6464, 7784, 8896, 11312, 12928, 14039, 15568, 17792, 22624, 25856, 28078, 31136, 35584, 45248, 56156, 62272, 90496, 98273, 112312, 124544, 180992, 196546, 224624, 249088, 393092, 449248, 786184, 898496, 1572368, 1796992, 3144736, 3593984, 6289472, 12578944, 25157888]

約数ペア:

[(1, 25157888), (2, 12578944), (4, 6289472), (7, 3593984), (8, 3144736), (14, 1796992), (16, 1572368), (28, 898496), (32, 786184), (56, 449248), (64, 393092), (101, 249088), (112, 224624), (128, 196546), (139, 180992), (202, 124544), (224, 112312), (256, 98273), (278, 90496), (404, 62272), (448, 56156), (556, 45248), (707, 35584), (808, 31136), (896, 28078), (973, 25856), (1112, 22624), (1414, 17792), (1616, 15568), (1792, 14039), (1946, 12928), (2224, 11312), (2828, 8896), (3232, 7784), (3892, 6464), (4448, 5656)]