25806260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 30803020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 389, 428, 535, 620, 778, 1070, 1556, 1945, 2140, 3317, 3890, 6634, 7780, 12059, 13268, 16585, 24118, 33170, 41623, 48236, 60295, 66340, 83246, 120590, 166492, 208115, 241180, 416230, 832460, 1290313, 2580626, 5161252, 6451565, 12903130, 25806260]

約数ペア:

[(1, 25806260), (2, 12903130), (4, 6451565), (5, 5161252), (10, 2580626), (20, 1290313), (31, 832460), (62, 416230), (107, 241180), (124, 208115), (155, 166492), (214, 120590), (310, 83246), (389, 66340), (428, 60295), (535, 48236), (620, 41623), (778, 33170), (1070, 24118), (1556, 16585), (1945, 13268), (2140, 12059), (3317, 7780), (3890, 6634)]