25457940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4877}}^1$

素因数の和:4921

約数の個数: 72

約数和(自身を含む): 79901640

約数和(自身を除く): 54443700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 4877, 5220, 9754, 14631, 19508, 24385, 29262, 43893, 48770, 58524, 73155, 87786, 97540, 141433, 146310, 175572, 219465, 282866, 292620, 424299, 438930, 565732, 707165, 848598, 877860, 1272897, 1414330, 1697196, 2121495, 2545794, 2828660, 4242990, 5091588, 6364485, 8485980, 12728970, 25457940]

約数ペア:

[(1, 25457940), (2, 12728970), (3, 8485980), (4, 6364485), (5, 5091588), (6, 4242990), (9, 2828660), (10, 2545794), (12, 2121495), (15, 1697196), (18, 1414330), (20, 1272897), (29, 877860), (30, 848598), (36, 707165), (45, 565732), (58, 438930), (60, 424299), (87, 292620), (90, 282866), (116, 219465), (145, 175572), (174, 146310), (180, 141433), (261, 97540), (290, 87786), (348, 73155), (435, 58524), (522, 48770), (580, 43893), (870, 29262), (1044, 24385), (1305, 19508), (1740, 14631), (2610, 9754), (4877, 5220)]