2200880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 80

約数和(自身を含む): 5812128

約数和(自身を除く): 3611248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 61, 80, 82, 88, 110, 122, 164, 176, 205, 220, 244, 305, 328, 410, 440, 451, 488, 610, 656, 671, 820, 880, 902, 976, 1220, 1342, 1640, 1804, 2255, 2440, 2501, 2684, 3280, 3355, 3608, 4510, 4880, 5002, 5368, 6710, 7216, 9020, 10004, 10736, 12505, 13420, 18040, 20008, 25010, 26840, 27511, 36080, 40016, 50020, 53680, 55022, 100040, 110044, 137555, 200080, 220088, 275110, 440176, 550220, 1100440, 2200880]

約数ペア:

[(1, 2200880), (2, 1100440), (4, 550220), (5, 440176), (8, 275110), (10, 220088), (11, 200080), (16, 137555), (20, 110044), (22, 100040), (40, 55022), (41, 53680), (44, 50020), (55, 40016), (61, 36080), (80, 27511), (82, 26840), (88, 25010), (110, 20008), (122, 18040), (164, 13420), (176, 12505), (205, 10736), (220, 10004), (244, 9020), (305, 7216), (328, 6710), (410, 5368), (440, 5002), (451, 4880), (488, 4510), (610, 3608), (656, 3355), (671, 3280), (820, 2684), (880, 2501), (902, 2440), (976, 2255), (1220, 1804), (1342, 1640)]