25304220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 77195664

約数和(自身を除く): 51891444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 547, 771, 1028, 1094, 1285, 1542, 1641, 2188, 2313, 2570, 2735, 3084, 3282, 3855, 4626, 4923, 5140, 5470, 6564, 7710, 8205, 9252, 9846, 10940, 11565, 15420, 16410, 19692, 23130, 24615, 32820, 46260, 49230, 98460, 140579, 281158, 421737, 562316, 702895, 843474, 1265211, 1405790, 1686948, 2108685, 2530422, 2811580, 4217370, 5060844, 6326055, 8434740, 12652110, 25304220]

約数ペア:

[(1, 25304220), (2, 12652110), (3, 8434740), (4, 6326055), (5, 5060844), (6, 4217370), (9, 2811580), (10, 2530422), (12, 2108685), (15, 1686948), (18, 1405790), (20, 1265211), (30, 843474), (36, 702895), (45, 562316), (60, 421737), (90, 281158), (180, 140579), (257, 98460), (514, 49230), (547, 46260), (771, 32820), (1028, 24615), (1094, 23130), (1285, 19692), (1542, 16410), (1641, 15420), (2188, 11565), (2313, 10940), (2570, 9846), (2735, 9252), (3084, 8205), (3282, 7710), (3855, 6564), (4626, 5470), (4923, 5140)]