25255552

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 58458240

約数和(自身を除く): 33202688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 397, 448, 497, 568, 794, 896, 994, 1136, 1588, 1988, 2272, 2779, 3176, 3976, 4544, 5558, 6352, 7952, 9088, 11116, 12704, 15904, 22232, 25408, 28187, 31808, 44464, 50816, 56374, 63616, 88928, 112748, 177856, 197309, 225496, 355712, 394618, 450992, 789236, 901984, 1578472, 1803968, 3156944, 3607936, 6313888, 12627776, 25255552]

約数ペア:

[(1, 25255552), (2, 12627776), (4, 6313888), (7, 3607936), (8, 3156944), (14, 1803968), (16, 1578472), (28, 901984), (32, 789236), (56, 450992), (64, 394618), (71, 355712), (112, 225496), (128, 197309), (142, 177856), (224, 112748), (284, 88928), (397, 63616), (448, 56374), (497, 50816), (568, 44464), (794, 31808), (896, 28187), (994, 25408), (1136, 22232), (1588, 15904), (1988, 12704), (2272, 11116), (2779, 9088), (3176, 7952), (3976, 6352), (4544, 5558)]