25428368

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2551}}^1$

素因数の和:2655

約数の個数: 40

約数和(自身を含む): 56960640

約数和(自身を除く): 31532272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2551, 4984, 5102, 9968, 10204, 17857, 20408, 35714, 40816, 71428, 142856, 227039, 285712, 454078, 908156, 1589273, 1816312, 3178546, 3632624, 6357092, 12714184, 25428368]

約数ペア:

[(1, 25428368), (2, 12714184), (4, 6357092), (7, 3632624), (8, 3178546), (14, 1816312), (16, 1589273), (28, 908156), (56, 454078), (89, 285712), (112, 227039), (178, 142856), (356, 71428), (623, 40816), (712, 35714), (1246, 20408), (1424, 17857), (2492, 10204), (2551, 9968), (4984, 5102)]