214967920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{65539}}^1$

素因数の和:65593

約数の個数: 40

約数和(自身を含む): 511998480

約数和(自身を除く): 297030560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 65539, 131078, 262156, 327695, 524312, 655390, 1048624, 1310780, 2621560, 2687099, 5243120, 5374198, 10748396, 13435495, 21496792, 26870990, 42993584, 53741980, 107483960, 214967920]

約数ペア:

[(1, 214967920), (2, 107483960), (4, 53741980), (5, 42993584), (8, 26870990), (10, 21496792), (16, 13435495), (20, 10748396), (40, 5374198), (41, 5243120), (80, 2687099), (82, 2621560), (164, 1310780), (205, 1048624), (328, 655390), (410, 524312), (656, 327695), (820, 262156), (1640, 131078), (3280, 65539)]