25563790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 55728000

約数和(自身を除く): 30164210

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 257, 290, 343, 406, 490, 514, 686, 1015, 1285, 1421, 1715, 1799, 2030, 2570, 2842, 3430, 3598, 7105, 7453, 8995, 9947, 12593, 14210, 14906, 17990, 19894, 25186, 37265, 49735, 52171, 62965, 74530, 88151, 99470, 104342, 125930, 176302, 260855, 365197, 440755, 521710, 730394, 881510, 1825985, 2556379, 3651970, 5112758, 12781895, 25563790]

約数ペア:

[(1, 25563790), (2, 12781895), (5, 5112758), (7, 3651970), (10, 2556379), (14, 1825985), (29, 881510), (35, 730394), (49, 521710), (58, 440755), (70, 365197), (98, 260855), (145, 176302), (203, 125930), (245, 104342), (257, 99470), (290, 88151), (343, 74530), (406, 62965), (490, 52171), (514, 49735), (686, 37265), (1015, 25186), (1285, 19894), (1421, 17990), (1715, 14906), (1799, 14210), (2030, 12593), (2570, 9947), (2842, 8995), (3430, 7453), (3598, 7105)]