25211700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 108

約数和(自身を含む): 80059980

約数和(自身を除く): 54848280

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 109, 150, 180, 218, 225, 257, 300, 327, 436, 450, 514, 545, 654, 771, 900, 981, 1028, 1090, 1285, 1308, 1542, 1635, 1962, 2180, 2313, 2570, 2725, 3084, 3270, 3855, 3924, 4626, 4905, 5140, 5450, 6425, 6540, 7710, 8175, 9252, 9810, 10900, 11565, 12850, 15420, 16350, 19275, 19620, 23130, 24525, 25700, 28013, 32700, 38550, 46260, 49050, 56026, 57825, 77100, 84039, 98100, 112052, 115650, 140065, 168078, 231300, 252117, 280130, 336156, 420195, 504234, 560260, 700325, 840390, 1008468, 1260585, 1400650, 1680780, 2100975, 2521170, 2801300, 4201950, 5042340, 6302925, 8403900, 12605850, 25211700]

約数ペア:

[(1, 25211700), (2, 12605850), (3, 8403900), (4, 6302925), (5, 5042340), (6, 4201950), (9, 2801300), (10, 2521170), (12, 2100975), (15, 1680780), (18, 1400650), (20, 1260585), (25, 1008468), (30, 840390), (36, 700325), (45, 560260), (50, 504234), (60, 420195), (75, 336156), (90, 280130), (100, 252117), (109, 231300), (150, 168078), (180, 140065), (218, 115650), (225, 112052), (257, 98100), (300, 84039), (327, 77100), (436, 57825), (450, 56026), (514, 49050), (545, 46260), (654, 38550), (771, 32700), (900, 28013), (981, 25700), (1028, 24525), (1090, 23130), (1285, 19620), (1308, 19275), (1542, 16350), (1635, 15420), (1962, 12850), (2180, 11565), (2313, 10900), (2570, 9810), (2725, 9252), (3084, 8175), (3270, 7710), (3855, 6540), (3924, 6425), (4626, 5450), (4905, 5140)]