51215584

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 118933920

約数和(自身を除く): 67718336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 356, 367, 392, 623, 712, 734, 784, 1246, 1424, 1468, 1568, 2492, 2569, 2848, 2936, 4361, 4984, 5138, 5872, 8722, 9968, 10276, 11744, 17444, 17983, 19936, 20552, 32663, 34888, 35966, 41104, 65326, 69776, 71932, 82208, 130652, 139552, 143864, 228641, 261304, 287728, 457282, 522608, 575456, 914564, 1045216, 1600487, 1829128, 3200974, 3658256, 6401948, 7316512, 12803896, 25607792, 51215584]

約数ペア:

[(1, 51215584), (2, 25607792), (4, 12803896), (7, 7316512), (8, 6401948), (14, 3658256), (16, 3200974), (28, 1829128), (32, 1600487), (49, 1045216), (56, 914564), (89, 575456), (98, 522608), (112, 457282), (178, 287728), (196, 261304), (224, 228641), (356, 143864), (367, 139552), (392, 130652), (623, 82208), (712, 71932), (734, 69776), (784, 65326), (1246, 41104), (1424, 35966), (1468, 34888), (1568, 32663), (2492, 20552), (2569, 19936), (2848, 17983), (2936, 17444), (4361, 11744), (4984, 10276), (5138, 9968), (5872, 8722)]