25401420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12829}}^1$

素因数の和:12855

約数の個数: 72

約数和(自身を含む): 84062160

約数和(自身を除く): 58660740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 12829, 25658, 38487, 51316, 64145, 76974, 115461, 128290, 141119, 153948, 192435, 230922, 256580, 282238, 384870, 423357, 461844, 564476, 577305, 705595, 769740, 846714, 1154610, 1270071, 1411190, 1693428, 2116785, 2309220, 2540142, 2822380, 4233570, 5080284, 6350355, 8467140, 12700710, 25401420]

約数ペア:

[(1, 25401420), (2, 12700710), (3, 8467140), (4, 6350355), (5, 5080284), (6, 4233570), (9, 2822380), (10, 2540142), (11, 2309220), (12, 2116785), (15, 1693428), (18, 1411190), (20, 1270071), (22, 1154610), (30, 846714), (33, 769740), (36, 705595), (44, 577305), (45, 564476), (55, 461844), (60, 423357), (66, 384870), (90, 282238), (99, 256580), (110, 230922), (132, 192435), (165, 153948), (180, 141119), (198, 128290), (220, 115461), (330, 76974), (396, 64145), (495, 51316), (660, 38487), (990, 25658), (1980, 12829)]