27440480

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 41143840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 80, 82, 89, 94, 160, 164, 178, 188, 205, 235, 328, 356, 376, 410, 445, 470, 656, 712, 752, 820, 890, 940, 1312, 1424, 1504, 1640, 1780, 1880, 1927, 2848, 3280, 3560, 3649, 3760, 3854, 4183, 6560, 7120, 7298, 7520, 7708, 8366, 9635, 14240, 14596, 15416, 16732, 18245, 19270, 20915, 29192, 30832, 33464, 36490, 38540, 41830, 58384, 61664, 66928, 72980, 77080, 83660, 116768, 133856, 145960, 154160, 167320, 171503, 291920, 308320, 334640, 343006, 583840, 669280, 686012, 857515, 1372024, 1715030, 2744048, 3430060, 5488096, 6860120, 13720240, 27440480]

約数ペア:

[(1, 27440480), (2, 13720240), (4, 6860120), (5, 5488096), (8, 3430060), (10, 2744048), (16, 1715030), (20, 1372024), (32, 857515), (40, 686012), (41, 669280), (47, 583840), (80, 343006), (82, 334640), (89, 308320), (94, 291920), (160, 171503), (164, 167320), (178, 154160), (188, 145960), (205, 133856), (235, 116768), (328, 83660), (356, 77080), (376, 72980), (410, 66928), (445, 61664), (470, 58384), (656, 41830), (712, 38540), (752, 36490), (820, 33464), (890, 30832), (940, 29192), (1312, 20915), (1424, 19270), (1504, 18245), (1640, 16732), (1780, 15416), (1880, 14596), (1927, 14240), (2848, 9635), (3280, 8366), (3560, 7708), (3649, 7520), (3760, 7298), (3854, 7120), (4183, 6560)]