2549680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 7053120

約数和(自身を除く): 4503440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 157, 203, 232, 280, 290, 314, 406, 464, 560, 580, 628, 785, 812, 1015, 1099, 1160, 1256, 1570, 1624, 2030, 2198, 2320, 2512, 3140, 3248, 4060, 4396, 4553, 5495, 6280, 8120, 8792, 9106, 10990, 12560, 16240, 17584, 18212, 21980, 22765, 31871, 36424, 43960, 45530, 63742, 72848, 87920, 91060, 127484, 159355, 182120, 254968, 318710, 364240, 509936, 637420, 1274840, 2549680]

約数ペア:

[(1, 2549680), (2, 1274840), (4, 637420), (5, 509936), (7, 364240), (8, 318710), (10, 254968), (14, 182120), (16, 159355), (20, 127484), (28, 91060), (29, 87920), (35, 72848), (40, 63742), (56, 45530), (58, 43960), (70, 36424), (80, 31871), (112, 22765), (116, 21980), (140, 18212), (145, 17584), (157, 16240), (203, 12560), (232, 10990), (280, 9106), (290, 8792), (314, 8120), (406, 6280), (464, 5495), (560, 4553), (580, 4396), (628, 4060), (785, 3248), (812, 3140), (1015, 2512), (1099, 2320), (1160, 2198), (1256, 2030), (1570, 1624)]