25204760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90017}}^1$

素因数の和:90035

約数の個数: 32

約数和(自身を含む): 64812960

約数和(自身を除く): 39608200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90017, 180034, 360068, 450085, 630119, 720136, 900170, 1260238, 1800340, 2520476, 3150595, 3600680, 5040952, 6301190, 12602380, 25204760]

約数ペア:

[(1, 25204760), (2, 12602380), (4, 6301190), (5, 5040952), (7, 3600680), (8, 3150595), (10, 2520476), (14, 1800340), (20, 1260238), (28, 900170), (35, 720136), (40, 630119), (56, 450085), (70, 360068), (140, 180034), (280, 90017)]