214489040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{65393}}^1$

素因数の和:65447

約数の個数: 40

約数和(自身を含む): 510857928

約数和(自身を除く): 296368888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 65393, 130786, 261572, 326965, 523144, 653930, 1046288, 1307860, 2615720, 2681113, 5231440, 5362226, 10724452, 13405565, 21448904, 26811130, 42897808, 53622260, 107244520, 214489040]

約数ペア:

[(1, 214489040), (2, 107244520), (4, 53622260), (5, 42897808), (8, 26811130), (10, 21448904), (16, 13405565), (20, 10724452), (40, 5362226), (41, 5231440), (80, 2681113), (82, 2615720), (164, 1307860), (205, 1046288), (328, 653930), (410, 523144), (656, 326965), (820, 261572), (1640, 130786), (3280, 65393)]