25294780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 63086688

約数和(自身を除く): 37791908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 487, 490, 530, 742, 974, 980, 1060, 1484, 1855, 1948, 2435, 2597, 3409, 3710, 4870, 5194, 6818, 7420, 9740, 10388, 12985, 13636, 17045, 23863, 25811, 25970, 34090, 47726, 51622, 51940, 68180, 95452, 103244, 119315, 129055, 180677, 238630, 258110, 361354, 477260, 516220, 722708, 903385, 1264739, 1806770, 2529478, 3613540, 5058956, 6323695, 12647390, 25294780]

約数ペア:

[(1, 25294780), (2, 12647390), (4, 6323695), (5, 5058956), (7, 3613540), (10, 2529478), (14, 1806770), (20, 1264739), (28, 903385), (35, 722708), (49, 516220), (53, 477260), (70, 361354), (98, 258110), (106, 238630), (140, 180677), (196, 129055), (212, 119315), (245, 103244), (265, 95452), (371, 68180), (487, 51940), (490, 51622), (530, 47726), (742, 34090), (974, 25970), (980, 25811), (1060, 23863), (1484, 17045), (1855, 13636), (1948, 12985), (2435, 10388), (2597, 9740), (3409, 7420), (3710, 6818), (4870, 5194)]